Online Books by
R. W. Lyles
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Lyles, R. W.: Alternative sign sequences for work zones on rural highways. Executive summary. Final report. (1981) (page images at HathiTrust)- Lyles, R. W.: Comparison of signs and markings for passing/no-passing zones. Executive summary. (1981) (page images at HathiTrust)
- Lyles, R. W.: Comparison of signs and markings for passing/no-passing zones. Final report. (1981) (page images at HathiTrust)
- Lyles, R. W.: Development of a portable video detection system for counting turning vehicles at intersections. (2002), also by Andrew P. Tarko (page images at HathiTrust)
- Lyles, R. W.: Effective warning devices for parked/disabled vehicles (The Division ;, 1980), also by Maine. Department of Transportation. Materials and Research Division, University of Maine at Orono. Social Science Research Institute, and United States. Federal Highway Administration. Traffic Systems Division (page images at HathiTrust)
- Lyles, R. W.: Effective warning devices for parked/disabled vehicles : executive summary (The Division ;, 1980), also by University of Maine at Orono. Social Science Research Institute, Maine. Department of Transportation, and United States. Federal Highway Administration. Traffic Systems Division (page images at HathiTrust)
- Lyles, R. W.: Effective warning devices for parked/disabled vehicles. Executive summary. Final report. (1980) (page images at HathiTrust)
- Lyles, R. W.: Effective warning devices for parked/disabled vehicles. Final report. (1980) (page images at HathiTrust)
- Lyles, R. W.: An evaluation of signs for sight-restricted rural intersections (Federal Highway Administration, Offices of Research & Development, Traffic Systems Division ;, 1980), also by United States. Federal Highway Administration. Traffic Systems Division, Maine. Dept. of Transportation. Materials and Research Division, and Maine. University at Orono. Social Science Research Institute (page images at HathiTrust)
- Lyles, R. W.: An evaluation of signs for sight-restricted rural intersections. Final report. (1980) (page images at HathiTrust)
- Lyles, R. W.: Evaluation of techniques for warning of slow-moving vehicles ahead (Federal Highway Administration, Offices of Research & Development, Traffic Systems Division ;, 1979), also by M. H. Lanman, H. S. Lum, and United States. Federal Highway Administration. Traffic Systems Division (page images at HathiTrust)
- Lyles, R. W.: An evaluation of warning and regulatory signs for curves on rural roads (Federal Highway Administration, Offices of Research & Development ;, 1980), also by United States. Federal Highway Administration, Maine. Dept. of Transportation, and Maine. University at Orono. Social Science Research Institute (page images at HathiTrust)
- Lyles, R. W.: An evaluation of warning and regulatory signs for curves on rural roads. Final report. (1980) (page images at HathiTrust)
- Lyles, R. W.: Executive summary and abstract for the report entitled "An evaluation of signs for sight-restricted rural intersections."". (1980) (page images at HathiTrust)
- Lyles, R. W.: Executive summary and abstract for the report entitled "An evaluation of warning and regulatory signs for curves on rural roads."". (1980) (page images at HathiTrust)
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