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Traffic signs and signals

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• Highway communications
• Roads -- Accessories
• Signs and signboards
• Transportation markings
• Roads
• Transportation, Automotive

• Traffic signs and signals -- Alaska
• Traffic signs and signals -- Arizona
• Traffic signs and signals -- Break-away supports
• Traffic signs and signals -- California
• Traffic signs and signals -- California, Southern
• Traffic signs and signals -- Catalogs
• Traffic signs and signals -- Colorado
• Traffic signs and signals -- Computer programs
• Traffic signs and signals -- Congresses
• Traffic signs and signals -- Connecticut
• Traffic signs and signals -- Contracts and specifications
• Traffic signs and signals -- Control systems
• Traffic signs and signals -- Cost effectiveness
• Traffic signs and signals -- Data processing
• Traffic signs and signals -- Design and construction
• Traffic signs and signals -- Energy conservation
• Traffic signs and signals -- Energy consumption
• Traffic signs and signals -- Europe
• Traffic signs and signals -- Evaluation
• Traffic signs and signals -- Florida
• Traffic signs and signals -- Handbooks, manuals, etc.
• Traffic signs and signals -- Illinois
• Traffic signs and signals -- Indiana
• Traffic signs and signals -- Inspection
• Traffic signs and signals -- Installation
• Traffic signs and signals -- Inventory control
• Traffic signs and signals -- Iowa
• Traffic signs and signals -- Kansas
• Traffic signs and signals -- Law and legislation
• Traffic signs and signals -- Louisiana
• Traffic signs and signals -- Maintenance and repair
• Traffic signs and signals -- Management
• Traffic signs and signals -- Mathematical models
• Traffic signs and signals -- Michigan
• Traffic signs and signals -- Minnesota
• Traffic signs and signals -- New Jersey
• Traffic signs and signals -- New York (State)
• Traffic signs and signals -- North Little Rock (Ark.)
• Traffic signs and signals -- Ohio
• Traffic signs and signals -- Oklahoma
• Traffic signs and signals -- Pennsylvania
• Traffic signs and signals -- Research
• Traffic signs and signals -- South Carolina
• Traffic signs and signals -- Specifications
• Traffic signs and signals -- Standards
• Traffic signs and signals -- Supports
• Traffic signs and signals -- Technological innovations
• Traffic signs and signals -- Tennessee
• Traffic signs and signals -- Testing
• Traffic signs and signals -- United States
• Traffic signs and signals -- Virginia
• Traffic signs and signals -- Washington (State)
• Audible pedestrian traffic signals
• Electronic traffic controls
• Right turn on red
• Signals and signaling, Automobile
• Stop signs
• Variable message signs

• Road signs
• Roads -- Signs
• Roads -- Traffic signs
• Roadside traffic signs
• Traffic control devices
• Traffic signaling
• Transportation, Automotive -- Traffic control

• Grade Severity Rating System (GSRS): Users Manual (McLean, VA: U.S. Department of Transportation, Federal Highway Administration, 1989), by Brian L. Bowman (page images at HathiTrust)
• Traffic control for street and highway construction and maintenance operations : training course, participant notebook (Dept. of Transportation, Federal Highway Administration, National Highway Institute, 1978), by Tallamy Byrd, Russell M. Lewis, and National Highway Institute (U.S.) (page images at HathiTrust)
• Selecting digital computer signal systems. (U. S. Federal Highway Administration Offices of Research and Development, 1972), by Charles Ray Stockfisch and United States. Federal Highway Administration. Offices of Research and Development (page images at HathiTrust)
• A semi-actuated or fully actuated two through eight phase local intersection program for the 332 and 336 cabinets of the California/New York type 170 traffic signal controller system. (Dept. of Transportation, Federal Highway Administration, Office of Development, Implementation Division : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979), by United States. Federal Highway Administration. Implementation Division (page images at HathiTrust)
• The California/New York type 170 traffic signal controller system : hardware specification (Dept. of Transportation, Federal Highway Administration, [Office of Development], Implementation Division, 1978), by United States. Federal Highway Administration. Implementation Division (page images at HathiTrust)
• Traffic calming, auto-restricted zones and other traffic management techniques: their effects on bicycling and pedestrians. Case study #19. (1994), by Andrew Clarke and Michael J. Dornfeld (page images at HathiTrust)
• Expansion of vocational-technical school programs to accommodate highway safety manpower requirements. Volume IV. Resource material. (1971), by Ronald D. Daugherty, Carroll R. Hyder, and W. Kent Brooks (page images at HathiTrust)
• Traffic records survey of local government agencies. Final report. (1972) (page images at HathiTrust)
• Caltech seminar series on energy consumption in private transportation - technical report. Final report. (1974), by J. R. Pierce (page images at HathiTrust)
• Glendora pedestrian safety study. (1972), by W. Kanyuck (page images at HathiTrust)
• Guide to highway communications systems technology and design. Special report. (1975), by L. Saxton (page images at HathiTrust)
• Safety and locational criteria for bicycle facilities. User manual. Vol. II: design and safety criteria. Final report. (1976), by Daniel T. Smith (page images at HathiTrust)
• Improving the highway system by upgrading and optimizing traffic control devices. Final report. (1977), by Harold Lunenfeld (page images at HathiTrust)
• Guidelines for flashing traffic control devices. Final report. (1976), by R. B. Goldblatt (page images at HathiTrust)
• Accident and speed studies in construction zones. Final report. (1977), by Jerry L. Graham, R. J. Paulsen, and John C. Glennon (page images at HathiTrust)
• Urban intersection improvements for pedestrian safety. Volume II. Identification of safety and operational problems at intersections. Final report. (1977), by H. Douglas Robertson, Wallace G. Berger, and R. F. Pain (page images at HathiTrust)
• Public understanding of traffic control devices in Texas. Final report. (1978), by Rodger J. Koppa and Patricia K. Guseman (page images at HathiTrust)
• Regulatory signs for lane occupancy and parking. Final report. (1978), by Donald A. Gordon (page images at HathiTrust)
• Human factors requirements for real-time motorist information displays. Vol. 1 - design guide. Final report. (1978), by Conrad L. Dudek, R. Dale Huchingson, William R. Stockton, Rodger J. Koppa, Stephen H. Richards, and T. M. Mast (page images at HathiTrust)
• Visibility requirements of work zone traffic control devices. Final report. (1978), by Hugh W. McGee and B. G. Knapp (page images at HathiTrust)
• An evaluation of signs for sight-restricted rural intersections. Final report. (1980), by R. W. Lyles (page images at HathiTrust)
• Identification of traffic management problems in work zones. Final report. (1979), by J. B. Humphreys, H. D. Mauldin, and T. D. Sullivan (page images at HathiTrust)
• Executive summary and abstract for the report entitled "An evaluation of warning and regulatory signs for curves on rural roads."". (1980), by R. W. Lyles (page images at HathiTrust)
• Human factors requirements for real-time motorist information displays. Volume 4: bibliography and selected annotations: visual systems. Final report. (1978), by R. W. McNees and Stephen H. Richards (page images at HathiTrust)
• Human factors requirements for real-time motorist information displays. Volume 7: analysis of driver requirements for intercity trips. Final report. (1978), by Conrad L. Dudek, R. Dale Huchingson, R. H. Ratcliff, and G. J. Mayer (page images at HathiTrust)
• Maintenance and construction zone: annotated bibliography. Interim report. (1980), by Stephen H. Richards, Conrad L. Dudek, N. L. Matlock, and Donald R. Hatcher (page images at HathiTrust)
• Traffic management for middle lane maintenance on urban freeways. Interim report. (1980), by Conrad L. Dudek and Stephen H. Richards (page images at HathiTrust)
• State of the art report: residential traffic management (1980), by Daniel T. Smith and Donald Appleyard (page images at HathiTrust)
• Pedestrian safety programs - a review of the literature and operational experience. Final report. (1981), by G. R. Vallette and J. A. McDivitt (page images at HathiTrust)
• Planning and scheduling work zone traffic control. Executive summary. (1980), by J. J. Wang and Charles M. Abrams (page images at HathiTrust)
• Planning and scheduling work zone traffic control. Final technical report. (1980), by Charles M. Abrams and J. J. Wang (page images at HathiTrust)
• Planning and scheduling work zone traffic control. User's guide. (1980), by J. J. Wang and Charles M. Abrams (page images at HathiTrust)
• Comparison of signs and markings for passing/no-passing zones. Executive summary. (1981), by R. W. Lyles (page images at HathiTrust)
• Planning and scheduling work zone traffic control - technical report. Final report. (1981), by J. J. Wang and Charles M. Abrams (page images at HathiTrust)
• Evaluation of design and control alternatives to improve safety of intersections of multi-lane highways with other highways. Final report. [Revised Edition]. (1981), by Harold L. Michael, Kumares C. Sinha, and Joseph A. Fletcher (page images at HathiTrust)
• Synthesis of safety research related to traffic control and roadway elements. Volume 1. Final report. (Government Printing Office, Washington, D.C., 1982) (page images at HathiTrust)
• Determination of driver needs in work zones. Final report. (1981), by Robert S. Hostetter, K. W. Crowley, G. W. Dauber, L. E. Pollack, and S. Levine (page images at HathiTrust)
• A review of work zone safety programs in selected states. Interim report. (1981), by Michael J. S. Faulkner and Stephen H. Richards (page images at HathiTrust)
• Traffic controller synchronizer field test and evaluation. Final report. (Government Printing Office, Washington, D.C., 1982), by B. A. Hillson and L. M. Rodgers (page images at HathiTrust)
• Human factors design of dynamic visual and auditory displays for metropolitan traffic management. Volume 3: highway advisory radio. Final report (1981), by Conrad L. Dudek, R. Dale Huchingson, and William R. Stockton (page images at HathiTrust)
• The impact of traffic on residential areas - an urban consortium information bulletin. (Government Printing Office, Washington, D.C., 1982) (page images at HathiTrust)
• Development of a driver-based method for the evaluation of traffic control systems for freeway construction and maintenance operations. Volume 2: task descriptions and appendix. Final report. [Revised edition]. (1982), by Thomas Hugh Rockwell and Z. A. Nemeth (page images at HathiTrust)
• Traffic management during freeway reconstruction and in rural work zones. Final report. (1982), by Stephen H. Richards, Michael J. S. Faulkner, and Conrad L. Dudek (page images at HathiTrust)
• UTCS - functional description - enhanced first generation software. (1979) (page images at HathiTrust)
• Computerized signal systems: overview and product summaries. Final report. (1982), by Sudhamay Basu and J. R. Wroble (page images at HathiTrust)
• Evaluating roadway symbol signs. Final report. (1984), by Eugene M. Wilson and Brant R. Williams (page images at HathiTrust)
• Improvements and new concepts for traffic control in work zones. Volume 1. Effects of traffic control on four-lane divided highways. Final report. (1985), by Conrad L. Dudek, Stephen H. Richards, and Jesse L. Buffington (page images at HathiTrust)
• Improvements and new concepts for traffic control in work zones. Volume 2. Implementation of work zone traffic control. Final report. (1985), by Ismael F. Garza and Sylvia M. Garza (page images at HathiTrust)
• Removal of multihighway stop signs with minimum hazard. Volume I: technical report. Final report. (1984), by C. M. Ligon, Everett C. Carter, and Hugh W. McGee (page images at HathiTrust)
• Driver needs on two-lane rural highways. Volume I - technical report. Final report. (1985), by Robert S. Hostetter, K. W. Crowley, H. W. McGee, and Warren Edward Hughes (page images at HathiTrust)
• Driver needs on two-lane rural highways. Volume II - simplified location of information deficiencies (SLIDE): a procedure. Final report. (1985), by Robert S. Hostetter, K. W. Crowley, H. W. McGee, and Warren Edward Hughes (page images at HathiTrust)
• Driver needs on two-lane rural highways. Volume III - appendices. Final report. (1985), by Robert S. Hostetter, K. W. Crowley, H. W. McGee, and Warren Edward Hughes (page images at HathiTrust)
• Driver needs on two-lane rural highways. Volume IV - literature review. Final report. (1985), by Robert S. Hostetter, K. W. Crowley, H.W. McGee, and Warren Edward Hughes (page images at HathiTrust)
• Sign luminance requirements for various background complexities. (U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology ;, 1985), by G. W. Dauber, R. B. King, Douglas J. Mace, Development United States. Federal Highway Administration. Offices of Research, and Pa.) Institute for Research (State College (page images at HathiTrust)
• Symposium on work zone traffic control. Proceedings. (1985), by 26-27 Feb 1985 Symposium on Work Zone Traffic Control (page images at HathiTrust)
• Traffic control systems handbook - 1985. Revised edition. Final report. (1985), by R. Wilshire, R. Black, R. Grochoske, and J. Higinbotham (page images at HathiTrust)
• Driver expectancy in highway design and traffic operations. Final report. (1986), by Gerson J. Alexander and Harold Lunenfeld (page images at HathiTrust)
• Traffic signal brightness : an examination of nighttime dimming. (Federal Highway Administration, Offices of Research and Development, Systems Technology Division ;, 1985), by M. Freedman, United States. Federal Highway Administration. Office of Research. Systems Technology Division, and Inc Ketron (page images at HathiTrust)
• Catalog of traffic control strategies and devices. Interim report. (1986), by Stephen H. Richards and Conrad L. Dudek (page images at HathiTrust)
• Methods of increasing pedestrian safety at right-turn-on-red intersections - users manual. (1986), by C. V. Zeeger, Michael J. Cynecki, and Hugh W. McGee (page images at HathiTrust)
• Evaluation of accident reduction countermeasures. Final report. (1986), by Jerome W. Hall (page images at HathiTrust)
• Statewide pedestrian study. Phase III report: correlation and evaluation of pedestrian accident data. Final report. (1986), by Rollo J. Bush (page images at HathiTrust)
• Driver response in active advanced warning signs at high-speed signalized intersections. Final report. (1985), by Z. A. Sabra (page images at HathiTrust)
• Traffic safety in construction zones. Final report. (1988), by Jerome W. Hall (page images at HathiTrust)
• Guidelines for successful traffic control systems: executive summary. (1988), by Louis G. Neudorff (page images at HathiTrust)
• Guidelines for successful traffic control systems. Final report. (1988), by Louis G. Neudorff (page images at HathiTrust)
• Manual on uniform traffic control devices for streets and highways. (Government Printing Office, Washington, D.C., 1988) (page images at HathiTrust)
• Alternative surveillance concepts and methods for freeway incident management. Volume 2: planning and tradeoff analyses for low-cost alternatives. Final report. (1978), by Roger Owen and G. L. Urbanek (page images at HathiTrust)
• Evaluation of motorist information requirements for transitways. Final report. (1989), by H. Gene Hawkins, John M. Mounce, and Stephen Albert (page images at HathiTrust)
• Synthesis of traffic management techniques for major freeway construction. Interim report. (1989), by Gerald L. Ullman, Raymond A. Krammes, and Conrad L. Dudek (page images at HathiTrust)
• Driver behavior at rail-highway crossings. Final report. (1990), by Neil Lerner, D. Ratte, and J. Walker (page images at HathiTrust)
• Rail-highway crossings study. Report of the Secretary of Transportation to the United States Congress pursuant to Section 159, Public Law 100-17. (1989) (page images at HathiTrust)
• A national survey of single-point urban interchanges. Interim report. (1989), by James A. Bonneson and Carroll J. Messer (page images at HathiTrust)
• A study of accident experience in construction and maintenance zones. Final report. (1990), by Z. A. Nemeth (page images at HathiTrust)
• Traffic control guidelines for urban arterial work zones. Volume 1. Interim technical report. (1991), by H. Gene Hawkins, M. A. Ogden, and E. C. Crowe (page images at HathiTrust)
• Traffic control guidelines for urban arterial work zones. Volume 2. Appendices. Interim report. (1991), by H. Gene Hawkins, M. A. Ogden, and E. C. Crowe (page images at HathiTrust)
• Urban arterial work zone data. Volume 3. Interim report. (1991), by H. Gene Hawkins, M. A. Ogden, and E. C. Crowe (page images at HathiTrust)
• Guidelines on the use of changeable message signs. (U.S. Department of Transportation, Federal Highway Administration, Office of Technology Applications ;, 1991), by Conrad L. Dudek, United States. Federal Highway Administration. Office of Technology Applications, United States. Federal Highway Administration. Office of Implementation, and Dudek & Associates (page images at HathiTrust)
• Arterial signal timing optimization using PASSER II-90. Program user's manual. Final report. (1991), by Edmond Chin-Ping Chang and Carroll J. Messer (page images at HathiTrust)
• Symposium on work zone traffic control. Proceedings. Final report. (1991), by Hugh W. McGee, L. F. McGee, N. L. Geisler, and 18-19 Jan 1991 Symposium on Work Zone Traffic Control--Making It Work (page images at HathiTrust)
• Safety study : highway work zone safety. (National Transportation Safety Board, 1992), by United States. National Transportation Safety Board (page images at HathiTrust)
• Assessment and improvement of motorist understanding of traffic control devices. (1991), by John M. Mounce, H. Gene Hawkins, and Katie N. Womack (page images at HathiTrust)
• Traffic control guidelines for urban arterial work zones. Volume I: Executive summary. Final report. (1992), by H. Gene Hawkins, Kent C. Kacir, and M. A. Ogden (page images at HathiTrust)
• Traffic control guidelines for urban arterial work zones. Volume 2: Technical report. Final report. (1992), by H. Gene Hawkins, Kent C. Kacir, and M. A. Odgen (page images at HathiTrust)
• Strategies for improving traffic operations at oversaturated diamond interchanges. Final report. (1992), by G. Curtis Herrick and Carroll J. Messer (page images at HathiTrust)
• Transportation infrastructure: benefits of traffic control signal systems are not being fully realized. (1994) (page images at HathiTrust)
• User's manual for QUEWZ-92. (1993), by Raymond A. Krammes, Gerald L. Ullman, J. L. Memmott, and Conrad L. Dudek (page images at HathiTrust)
• Examination of unsignalized intersection, straight crossing path crashes and potential IVHS countermeasures. Final report. (1994), by John D. Chovan, Louis Tijerina, John A. Pierowicz, and Donald L. Hendricks (page images at HathiTrust)
• Examination of signalized intersection, straight crossing path crashes and potential IVHS countermeasures. Final report. (1994), by John D. Chovan, Louis Tijerina, John A. Pierowicz, and Donald L. Hendricks (page images at HathiTrust)
• Evaluation of flashing traffic signal operation. Final report. (1993), by Kent C. Kacir, H. Gene Hawkins, Robert J. Benz, M. E. Obermeyer, and Richard T. Bartoskewitz (page images at HathiTrust)
• Coordination of actuated controllers on traffic control systems. (1994), by Edmond Chin-Ping Chang and Joseph Koothrappally (page images at HathiTrust)
• Texas highway-rail intersection field reference guide. Final report. (1993), by Richard T. Bartoskewitz, Daniel B. Fambro, and Hoy A. Richards (page images at HathiTrust)
• Optimizing detector placement for high speed isolated signalized intersections using vehicular delay as the criterion. (1994), by Donald L. Woods and L. M. Koniki (page images at HathiTrust)
• Traffic control systems handbook. Final report. (1996), by Robert L. Gordon, R. A. Reiss, H. Haenel, E. R. Case, Robert L. French, A. Mohaddes, and R. Wolcott (page images at HathiTrust)
• Analysis of truck drivers' opinions on safety and traffic control on highway work zones. Volume I: summary of findings. Final report. (1995), by R. F. Benekohal, E. Shim, and P. T. V. Resende (page images at HathiTrust)
• Analysis of truck drivers' opinions on safety and traffic control on highway work zones. Volume II. Final report. (1995), by R. F. Benekohal, P. T. V. Resende, and E. Shim (page images at HathiTrust)
• Study of accidents at signalized intersections. Phase I. Final report. (1996), by J. J. Wolverton and John M. Mounce (page images at HathiTrust)
• Innovative traffic control technology and practice in Europe. (1999), by Samuel C. Tignor, L. L. Brown, J. L. Butner, Richard A. Cunard, Stacy C. Davis, H. Gene Hawkins, Edward L. Fischer, M. R. Kehrli, P. F. Rusch, and W. S. Wainwright (page images at HathiTrust)
• Characteristics and needs for overhead guide sign illumination from vehicular headlamps (Federal Highway Administration ;, 1999), by Eugene Russell, Kansas State University. Civil Engineering Dept, and United States. Federal Highway Administration (page images at HathiTrust)
• Evaluation of emergency vehicle signal preemption on the Route 7 Virginia corridor. (1999), by Darcy M. Bullock, J. M. Morales, and B. Sanderson (page images at HathiTrust)
• Improving night work zone traffic control. (1999), by Benjamin H. Cottrell (page images at HathiTrust)
• Warning system for signals with lost power. (1999), by Prahlad D. Pant and Sarah E. Lenski (page images at HathiTrust)
• Recommendations to improve driver education on traffic control devices. (1999), by Dale L. Picha, Garry L. Ford, and Angelia H. Parham (page images at HathiTrust)
• Driver behavior characteristics of teenage drivers and older drivers. (1999), by Angelia H. Parham and Garry L. Ford (page images at HathiTrust)
• Evaluation of traffic control devices for rural high-speed maintenance work zones. (2000), by Paul J. Carlson, Michael D. Fontaine, and H. Gene Hawkins (page images at HathiTrust)
• Evaluation of traffic control devices for rural high-speed maintenance work zones: second year activities and final recommendations. (2000), by Michael D. Fontaine, Paul J. Carlson, and H. Gene Hawkins (page images at HathiTrust)
• Catalog of effective treatments to improve driver and worker safety at short-term work zones. (2001), by Michael D. Fontaine and H. Gene Hawkins (page images at HathiTrust)
• Association of selected intersection factors with red-light-running crashes. Summary report. Highway safety information system. (2000) (page images at HathiTrust)
• Development of closed loop system evaluation procedures. (2000), by E. Nelson, Montasir Abbas, G. Shoup, Darcy M. Bullock, and R. Gallagher (page images at HathiTrust)
• At-grade intersections near highway-railroad grade crossings. (College Station, Tex.: Texas Transportation Institute, Texas A&M University System ; Springfield, Va.: National Technical Information Service, 2001), by Mark Douglas Wooldridge, Daniel B. Fambro, Marcus Brewer, Roelof Johannes Engelbrecht, S. R. Harry, and H. Cho (page images at HathiTrust)
• Traffic control systems in construction work zones (Illinois Transportation Research Center, 2000), by R. A. Raub, Athanasios Ziliaskopoulos, Joseph L. Scholar, Omar Sawaya, Ill.). Traffic Institute Northwestern University (Evanston, Illinois Transportation Research Center, and Illinois. Department of Transportation (page images at HathiTrust)
• Highway effects on vehicle performance. (2001), by E. C. Klaubert (page images at HathiTrust)
• Effective countermeasures to reduce accidents in work zones. (1999), by V. Walker and Jonathan Upchurch (page images at HathiTrust)
• Evaluation of enhanced traffic control devices at highway-railroad grade crossings. (2000), by Angelia H. Parham, Randy W. Carroll, and Daniel B. Fambro (page images at HathiTrust)
• [Evaluation of selected potential Manual of Uniform Traffic Control Devices signs] (2000), by Elizabeth Alicandri and K. Wochinger (page images at HathiTrust)
• Tracking the deployment of the integrated metropolitan Intelligent Transportation Systems infrastructure in the USA: FY 1997 results. (1998), by Steve Gordon and Jeffrey W. Trombly (page images at HathiTrust)
• [Intelligent Transportation System standards for the highway-rail intersection: report for the Workshop on ITS Standards for the Highway-Rail Intersection] (U.S. Dept. of Transportation, Federal Highway Administration, Federal Railroad Administration, [Washington, D.C.?], 2000), by R. J. Weiland and 22-23 July 1999 Workshop on ITS Standards for the Highway-Rail Intersection (page images at HathiTrust)
• Improving traffic control effectiveness in complex work zones. (2003), by Gerald L. Ullman and S. D. Schrock (page images at HathiTrust)
• Complex work zone safety. (2003), by Alexei Tsyganov, Randy B. Machemehl, and Robert Harrison (page images at HathiTrust)
• Design guidelines for at-grade intersections near highway-railroad grade crossings. (2000), by Mark Douglas Wooldridge, Marcus Brewer, S. R. Harry, Daniel B. Fambro, Roelof Johannes Engelbrecht, and H. Cho (page images at HathiTrust)
• Updating educational materials on traffic control devices. (2000), by Angelia H. Parham, Garry L. Ford, and S. Renee Hulett (page images at HathiTrust)
• Travel better, travel longer: a pocket guide to improve traffic control and mobility for our older population. (2003) (page images at HathiTrust)
• Signalized intersections : informational guide (Federal Highway Administration, 2004), by Lee A. Rodegerdts, Kittelson & Associates, and Turner-Fairbank Highway Research Center (page images at HathiTrust)
• Left-turn lane design and operation (Texas Southern University ;, 2008), by Lei Guo, Chenyan Guo, Mehdi Azimi, Yi Qi, Lei Yu, Texas Southern University. Department of Transportation Studies, and Texas. Dept. of Transportation. Research and Technology Transfer Office (page images at HathiTrust)
• Reexamination of color vision standards. Part III, Analysis of the effects of color vision deficiencies in using ATC displays (Federal Aviation Administration, Office of Aerospace Medicine ;, 2006), by Jing Xing, David J. Schroeder, Civil Aerospace Medical Institute, United States Federal Aviation Administration, and United States. Office of Aerospace Medicine (page images at HathiTrust)
• Manual on uniform traffic control devices for streets and highways. Approved as an American standard, American Standards Association, Nov. 7, 1935. (Washington, 1935), by Joint Committee on Uniform Traffic Control Devices (page images at HathiTrust)
• Outdoor testing of reflective sign materials (U.S. Dept. of Agriculture, Forest Service, Equipment Development Center ;, 1985), by Thomas J. Nettleton, United States. Federal Highway Administration, and Mont.) Equipment Development Center (Missoula (page images at HathiTrust)
• Traffic signalization systems (Urban Consortium for Technology Initiatives, 1976), by Inc Public Technology, Urban Consortium for Technology Initiatives. Transportation Task Force, and United States. Dept. of Transportation (page images at HathiTrust; US access only)
• Correlation of geometric design and directional signing ([Sacramento] : Division of Highways, 1959), by George M. Webb, Rudolf Israel, Bruno Dentino, and California. Division of Highways (page images at HathiTrust)
• A policy on criteria for marking and signing no-passing zone on two and three lane roads : standards for marking and signing no-passing zones (The Association, 1940), by American Association of State Highway Officials (page images at HathiTrust)
• Criteria for the design and deployment of advanced graphic guide signs (U.S. Dept. of Transportation, National Highway Traffic Safety Administration, 1970), by Wallace G. Berger, Inc Serendipity, and United States. National Highway Traffic Safety Administration (page images at HathiTrust)
• Minimal luminance requirement for official highways signs (Federal Highway Administration ;, 1986), by Douglas J. Mace, Inc IFR Applications, and United States. Federal Highway Administration (page images at HathiTrust)
• Improving traffic signal operations : a primer (Institute of Transportation Engineers, 1995), by Institute of Transportation Engineers and United States. Federal Highway Administration (page images at HathiTrust)
• Computerized signal systems : overview and product summaries (U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development ;, 1983), by J. R. Wroble, S. Basu, United States. Federal Highway Administration. Offices of Research and Development, and United States. Federal Highway Administration. Office of Safety and Traffic Operations Research and Development (page images at HathiTrust)
• Relative visibility of increased legend size vs. brighter materials for traffic signs. (U.S. department of Transportation, Federal Highway Administration, Office of Research and Development ;, 1994), by Robert F. Heckard, Philip M. Garvey, Douglas J. Mace, United States. Federal Highway Administration. Offices of Research and Development, United States. Federal Highway Administration. Office of Safety and Traffic Operations Research and Development, and Last Resource Inc (page images at HathiTrust)
• Study of clearance intervals, flashing operation, and left-turn phasing at traffic signals : final report (the Offices ;, 1978), by R. Henry Mohle, Thayer K. Rorabaugh, Cynthia Carson, Barry Benioff, Frederick C. Dock, Perry and Associates Mohle, TJKM Transportation Consultants, and United States. Federal Highway Administration. Offices of Research and Development (page images at HathiTrust)
• Driver behavior during the yellow signal interval (U.S. Department of Transportation, Federal Highway Administration, 1977), by William L. Williams and United States. Federal Highway Administration (page images at HathiTrust)
• Traffic control for street and highway construction and maintenance operations : instructor' guide (Dept. of Transportation, Federal Highway Administration, National Highway Institute, 1975), by Tallamy Byrd and National Highway Institute (U.S.) (page images at HathiTrust)
• A users' guide to positive guidance. (U.S. Federal Highway Administration, Office of Traffic Operations ;, 1981), by Harold Lunenfeld, Gerson J. Alexander, Theodore J. Post, United States. Federal Highway Administration. Office of Traffic Operations, and inc Biotechnology (page images at HathiTrust)
• Traffic engineering for better signs and markings (Military Traffic Management Command, 1981), by Paul W. Allred and United States. Military Traffic Management Command (page images at HathiTrust)
• Guidelines for advanced graphic guide signing (U.S. Dept. of Transportation, National Highway Traffic Safety Administration, 1970), by Wallace G. Berger, Inc Serendipity, and United States. National Highway Traffic Safety Administration (page images at HathiTrust)
• An evaluation of stop signs used with flashing traffic signals. (U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology ;, 1987), by J. C. Keegel, Sidney Berger, Bruce E. Beddow, United States. Federal Highway Administration. Traffic Safety Research Division, Orlando (Fla.). Bureau of Transportation Engineering, and Development Assistance Corporation (page images at HathiTrust)
• Driver awareness of likely skid sites (Federal Highway Administration ;, 1974), by Fred R. Hanscom, inc Biotechnology, and Development United States. Federal Highway Administration. Offices of Research (page images at HathiTrust)
• Manual of uniform traffic control devices for streets and highways. (Springfield, 1958), by Illinois. Division of Highways (page images at HathiTrust)
• Manual on uniform traffic control devices for streets and highways. (Federal Highway Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington], 1971), by National Joint Committee on Uniform Traffic Control Devices and American Association of State Highway Officials (page images at HathiTrust)
• International road signs : interpretability and training techniques (U.S. Army Research Institute for the Behavioral and Social Sciences, 1978), by Douglas Griffith and Tomme R. Actkinson (page images at HathiTrust)
• Highway work zone safety. (National Transportation Safety Board ;, 1992), by United States. National Transportation Safety Board (page images at HathiTrust)
• Hazardous material highway signing. (U.S. Department of Transportation, Federal Highway Administration ;, 1995), by Stanley R. Byington and United States. Federal Highway Administration (page images at HathiTrust)
• Work zone traffic management synthesis : selection and application of flashing arrow panels. (U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, 1989), by Conrad L. Dudek, Ziad A. Sabra, Errol C. Noel, United States. Federal Highway Administration, Dudek & Associates, and Daniel Consultants (page images at HathiTrust)
• Model systems engineering documents for adaptive signal control technology (ASCT) systems (U.S. Dept. of Transportation, Federal Highway Administration, Office of Operations, 2011), by Kevin J. Fehon, DKS Associates, Science Applications International Corporation, and United States. Federal Highway Administration. Office of Operations (page images at HathiTrust)
• Performance of highway safety devices (Engineering Research and Development Bureau, New York State Dept. of Transportation ;, 1977), by Robert D. Carlson, James E. Bryden, Joseph R. Allison, United States. Federal Highway Administration, and New York (State). Engineering Research and Development Bureau (page images at HathiTrust; US access only)
• Conferencia de las Naciones Unidas sobre Transporte por Carretera y Transporte por Vehiculos Automotores, Ginebra, 23 de agosto-19 de septiembre de 1949 (United Nations, 1950), by United Nations Conference on Road and Motor Transport (1949 : Geneva) (page images at HathiTrust)
• Signs and markings for low volume rural roads (Dept. of Transportation, Federal Highway Administration, Office of Research and Development ;, 1977), by N. E. Walton, W. R. Stockton, J. M. Mounce, United States. Federal Highway Administration, and Texas Transportation Institute (page images at HathiTrust)
• A user's guide to positive guidance (U.S. Dept. of Transportation, Federal Highway Administration, Office of Traffic Operations, 1977), by inc Biotechnology and United States. Federal Highway Administration (page images at HathiTrust)
• Comparison of two electronic traffic signal systems (The Department, 1957), by Idaho. Department of Highways (page images at HathiTrust)
• Overlaid plywood for highway traffic signs : a presentation to the California State Sign Committee (The Association, 1958), by Douglas Fir Plywood Association (page images at HathiTrust)
• Mercury vapor sign lighting (Division of Highways, 1974), by Ohio. Division of Highways (page images at HathiTrust)
• Accident analysis and cost justification - left side pennant sign - US-12 : supplementary report to Study of no-passing zone signing (The Department, 1969), by Charles F. Conley and Michigan. Department of State Highways (page images at HathiTrust)
• A Study of no-passing zone signing (State Highway Dept., 1965), by United States. Bureau of Public Roads and Michigan. State Highway Department (page images at HathiTrust)
• Effects of NW 7th Avenue bus priority systems on NW 7th Avenue traffic stream flow and passenger movements : Report I-6 (Urban Mass Transportation Administration ;, 1978), by Joseph A. Wattleworth, University of Florida. Transportation Research Center, Florida. Department of Transportation, United States. Federal Highway Administration, and United States. Urban Mass Transportation Administration (page images at HathiTrust)
• Radioluminescent lane delineators for wet-night visibility (Dept. of Transportation, Federal Highway Administration, Office of Research and Development ;, 1976), by R. A. Semmler, United States. Federal Highway Administration. Office of Development, and United States. Federal Highway Administration. Office of Research (page images at HathiTrust)
• Evaluation of techniques for warning of slow-moving vehicles ahead (Federal Highway Administration, Offices of Research & Development, Traffic Systems Division ;, 1979), by M. H. Lanman, R. W. Lyles, H. S. Lum, and United States. Federal Highway Administration. Traffic Systems Division (page images at HathiTrust)
• Evaluation of sign and marking alternatives for displaced left-turn lane intersections. (Turner-Fairbank Highway Research Center, 2009), by Turner-Fairbank Highway Research Center (page images at HathiTrust)
• Signing and delineation for special usage lanes. (Federal Highway Administration, Offices of Research & Development ;, 1977), by Richard F. Pain, United States. Federal Highway Administration, and inc Biotechnology (page images at HathiTrust)
• Safety features of stop signs at rail-highway grade crossings (Dept. of Transportation, Federal Highway Administration, Offices of Research & Development ;, 1978), by James H. Sanders, Chang S. Yoo, Hugh W. McGee, United States. Federal Highway Administration. Office of Development, and United States. Federal Highway Administration. Office of Research (page images at HathiTrust)
• Perceptual factors and meanings of symbolic information elements (Dept. of Transportation, Federal Highway Administration, Offices of Research and Development ;, 1977), by King M. Roberts, Daniel Welch, Ernest W. Lareau, and United States. Federal Highway Administration (page images at HathiTrust)
• Transcript of proceedings (edited) (The Committee, 1957), by California. Legislature. Joint Interim Committee on Highway Problems. Subcommittee on Highway Directional Signing (page images at HathiTrust; US access only)
• Correlation of geometric design and directional signing ([publisher not identified], 1956), by George M Webb and California. Division of Highways (page images at HathiTrust; US access only)
• Right-turn-on-red (Offices of Research and Development, Federal Highway Administration, U.S. Dept. of Transportation ;, 1976), by Alan M. Voorhees & Associates, United States. Federal Highway Administration. Offices of Research and Development, and KLD Associates (page images at HathiTrust)
• New Look in Traffic Signs and Markings : signs, signals & pavement markings (Washington, D.C. : Superintendent of Documents, U.S. Government Printing Office, 1972, 1972), by United States. Federal Highway Administration (page images at HathiTrust)
• Uniform traffic control devices for streets and highways, April 1937 (Oklahoma State Highway Commission, 1937), by Oklahoma. State Highway Commission. Division of Traffic Control (page images at HathiTrust; US access only)
• Low-cost treatments for horizontal curve safety. (Federal Highway Administration, Office of Safety, 2006), by United States. Federal Highway Administration. Office of Safety (page images at HathiTrust)
• Supplement number one to the Manual and specifications for uniform system of traffic control devices on streets and highways in Kansas. (State Highway Commission of Kansas, 1937), by State Highway Commission of Kansas, Walden Richard Peterson, and George A. Reid (page images at HathiTrust; US access only)
• Intersection safety (Institute of Transportation Engineers, 2003), by Institute of Transportation Engineers (page images at HathiTrust; US access only)
• Evaluating a rural motorist information and diversion system (The Department, 1977), by Wyoming. State Highway Department (page images at HathiTrust; US access only)
• Traffic control devices handbook; an operating guide (Federal Highway Administration], 1975), by National Advisory Committee on Uniform Traffic Control Devices and United States. Federal Highway Administration (page images at HathiTrust)
• The effect of flashing traffic control devices on accident occurrence (Ohio Dept. of Transportation, Division of Highways, Bureau of Traffic Control, 1967), by Ohio. Department of Highways and Ohio State University (page images at HathiTrust; US access only)
• Urban traffic control and bus priority system : design and installation (Federal Highway Administration ;, 1972), by Sperry Rand Management and United States. Federal Highway Administration (page images at HathiTrust)
• Evaluation of minor improvements : part 1--flashing beacons, part 2--safety lighting (The Division, 1967), by California. Division of Highways (page images at HathiTrust)
• Evaluation of minor improvements : traffic signals (part 7) (The Division, 1970), by Charles G. Hammer and California. Division of Highways (page images at HathiTrust)
• Evaluation of minor improvements : signs (part 6) (The Division, 1968), by Charles G. Hammer and California. Division of Highways (page images at HathiTrust)
• Assessment of status and trends in motorist aid communications (The Administration, 1983), by Frank J. Mammano and United States. Federal Highway Administration. Office of Safety and Traffic Operations Research and Development (page images at HathiTrust)
• Improving traffic signal operations : a primer (Federal Highway Administration, 1995), by Institute of Transportation Engineers and United States. Federal Highway Administration (page images at HathiTrust)
• Instrumental colorimetry of retroreflective sign materials (Federal Highway Administraion, 1975), by I Nimeroff, W A Hall, and United States. Federal Highway Administration (page images at HathiTrust; US access only)
• Delay at traffic actuated signals (Florida Dept. of Transportation, 1977), by K. G. Courage and Paraskevi Papapanou (page images at HathiTrust)
• Changeable message warning signs in dense fog : interim report (December 1, 1976 - March 31, 1977) (California Highway Patrol, 1977), by California Highway Patrol (page images at HathiTrust)
• An evaluation of seven flexible portable delineators (Division of Highways, State of California, 1971), by Eric F. Nordlin, J. R. Stoker, and California. Division of Highways. Materials and Research Dept (page images at HathiTrust)
• Manual on uniform traffic control devices for streets and highways. Approved as an American standard, American Standards Association, November 7, 1935. (American Association of State Highway Officials, 1935), by National Conference on Street and Highway Safety American Association of State Highway Officials (page images at HathiTrust)
• Traffic control for street and highway construction and maintenance operations : training course, participant notebook (U.S. Dept. of Transportation, Federal Highway Administration, National Highway Institute, 1975), by National Highway Institute (U.S.) and Tallamy Byrd (page images at HathiTrust)
• Traffic signals and controls : catalog 226 (Crouse-Hinds, 1936), by Crouse-Hinds Company (page images at HathiTrust; US access only)

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