Books by J. B. Humphreys:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Humphreys, J. B. (Jack Bishop), 1933-: Identification of traffic management problems in work zones (Dept. of Transportation, Federal Highway Administration, Office of Research, Traffic Systems Division ;, 1979), also by T. D. Sullivan, H. D. Mauldin, United States. Federal Highway Administration. Office of Development, and United States. Federal Highway Administration. Traffic Systems Division (page images at HathiTrust)- Humphreys, J. B. (Jack Bishop), 1933-: Identification of traffic management problems in work zones. Final report. (1979), also by H. D. Mauldin and T. D. Sullivan (page images at HathiTrust)
- Humphreys, J. B. (Jack Bishop), 1933-: Safety aspects of curb parking. Final technical report. (1978), also by Paul C. Box, T. D. Sullivan, and D. J. Wheeler (page images at HathiTrust)
Find more by J. B. Humphreys at your library, or elsewhere.