STC Resources

Twelve Year Program Archive

Every two years, PennDOT updates the Twelve Year Program (TYP). Explore the archived documents here.

The Transportation Performance Report

The biennial Transportation Performance Report provides a snapshot of the transportation system’s current status, performance within current resources, and potential for progress as Pennsylvania moves forward.


Click on the following links to discover how PennDOT is deploying innovative technologies and map transportation projects programmed for construction.

State Transportation Innovation Council

PA Projects

Center For Program Development and Management

PennDOT One Map

Independent Transportation Studies

The Transportation Advisory Committee (TAC), which serves as the advisory committee to the State Transportation Commission, has conducted several independent studies related to transportation. The STC provides the final review and approval for each of these independent studies.

Pennsylvania Advisory Committees

Advisory committees work with the STC to address transportation needs and projects specific to each travel mode and to research cutting-edge initiatives in Pennsylvania.

Transportation Advisory Committee

Aviation Advisory Committee

Motor Carrier Safety Advisory Committee

Pedalcycle & Pedestrian Advisory Committee

Rail Freight Advisory Committee