Books by William D. Berg:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Berg, William D.: Experimental design for evaluating the safety benefits of railroad advance warning signs (Dept. of Transportation, Federal Highway Administration, Office of Research, Traffic Systems Division ;, 1979), also by United States. Federal Highway Administration. Traffic Systems Division (page images at HathiTrust)- Berg, William D.: Experimental design for evaluating the safety benefits of railroad advance warning signs. Final report. (1979) (page images at HathiTrust)
- Berg, William D.: Impact of the 55 mph speed limit on outdoor recreation travel to the Great Lakes region (s.n., 1974), also by Jean-Noel Boy, Robert L. Smith, and University of Wisconsin--Madison. University-Industry Research Program (page images at HathiTrust)
- Berg, William D.: Rail highway crossing accident causation study. Volume I: executive summary. Final report. (1982), also by Karl Knoblauch and Wayne Hucke (page images at HathiTrust)
- Berg, William D.: Rail highway crossing accident causation study. Volume II: technical report. Final report. (1982), also by Karl Knoblauch and Wayne Hucke (page images at HathiTrust)
Find more by William D. Berg at your library, or elsewhere.