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
Historic Resource Study - Allegheny Portage Railroad National Historic Site, Pennsylvania
Center City Transportation Project - Pittsburgh
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