Failure rates and data driven policies for vehicle safety inspections in Pennsylvania
Conquering Gotham : a gilded age epic ; the construction of Penn Station and its tunnels
Erie Bayfront Intermodal Integrator Study
Center City Transportation Project - Pittsburgh
Historic Resource Study - Allegheny Portage Railroad National Historic Site, Pennsylvania
Mass Transportation in a Small City
Use of School Buses for Public Transportation in Energy Emergencies
Penn Jersey Transportation Study, Volume III. 1975 Transportation Plans
Financing Urban Transportation. Part 2. Local Studies (A Bibliography with Abstracts)
Financing Urban Transportation. Part 2. Local Studies (A Bibliography with Abstracts)
Financing Urban Transportation: Local Studies. 1970-July, 1981 (Citations from the NTIS Data Base)