Center City Transportation Project - Pittsburgh
City of Philadelphia Airport High Speed Rail Line
Conquering Gotham : a gilded age epic ; the construction of Penn Station and its tunnels
Cross Valley Expressway, L.R. 1052 Section 1, Luzerne County, Pennsylvania
Erie Bayfront Intermodal Integrator Study
Evaluation of Fused Incinerator Residue as a Paving Material
Failure rates and data driven policies for vehicle safety inspections in Pennsylvania
Financing Urban Transportation: Local Studies. 1970-July, 1981 (Citations from the NTIS Data Base)
Financing Urban Transportation. Part 2. Local Studies (A Bibliography with Abstracts)
Financing Urban Transportation. Part 2. Local Studies (A Bibliography with Abstracts)
Greater Pittsburgh International Airport, Pittsburgh, Pennsylvania
Grove City, Pennsylvania, ADAP Request No. 71-1-7-42-0035
Historic Resource Study - Allegheny Portage Railroad National Historic Site, Pennsylvania