The Pennsylvania Department of Transportation (PennDOT) is preparing a massive investment in transportation infrastructure following the State Transportation Commission’s (STC) adoption of its $91 billion, 12-Year Transportation Program (TYP).
Updated every two years to ensure the state’s long-term aspirations align with evolving policies and progress, the updated program reflects Pennsylvania’s commitment to mobility, connectivity and sustainability. Compared to the previous 2025 iteration, the adopted plan shows a 3 percent increase in funding to support improvements to the state’s roads, bridges, transit systems, airports, railroads and active transportation infrastructure.
The funding will be broken up across five distinct categories:
- Highways and bridges – $47.9 billion.
- Public transit – $40.9 billion.
- Multimodal – $1.1 billion.
- Rail freight – $720 million.
- Aviation – $462 million.
The plan pulls from numerous federal, state and local funding sources to support development. To better prioritize critical projects, PennDOT incorporated the Statewide Transportation Improvement Program (STIP) into the holistic TYP – covering the first four years of development from 2027 to 2030. The STIP was created using the combined information gained from 24 regional and two statewide-managed TIPs.
Over the next four years, the state will invest $30.6 billion in essential transportation infrastructure projects. Some of the major projects featured in the TYP include the following:
The $1.3 billion Interstate 83 John Harris Memorial (South) Bridge Project will replace the existing bridge with a modern, up-to-code alternative. The current structure is nearing the end of its serviceable life after 66 years of operation. The project will build a highway with five travel lanes in both directions. Additional work will include reconfiguring nearby interchanges, replacing a separate bridge and reconstructing a viaduct.
PennDOT will spend $328.9 million to finish the Interstate 95 Central Access Philadelphia (CAP) Project, replacing the cap covering the interstate and Columbus Boulevard between Chestnut and Walnut streets. In addition to the new cap, the project will improve pedestrian, bicycle and multimodal connectivity, build a signature pedestrian bridge and install a park at Penn’s Landing. The park will be 11.5 acres with gardens, play areas, flexible open space and a timber pavilion.
Plans include investing $115.5 million to reconstruct, widen and realign Section 14M of State Route 61. The project will result in a rebuilt, widened stretch of highway. Key features will include four travel lanes, shoulders, realigned substandard curves, nine rehabilitated or replaced bridges and culverts, three new retaining walls and the installation of two traffic signals and Intelligent Transportation Systems (ITS) equipment.
Another $95 million will go toward replacing the I-376 Commercial Street Bridge. Notably, PennDOT is prioritizing innovation in construction, using Accelerated Bridge Construction (ABC) methods to replace aging infrastructure while improving overall safety and efficiency. The project will install an Arched Delta Frame Structure, building it off-site and relocating it to the project site when needed.
While the STC has approved the TYP, Pennsylvania still needs federal approval to move forward with the vision as planned. Next steps include submitting the plan to the Federal Highway Administration (FHWA) and the Federal Transit Administration (FTA) for review and compliance.
Photo by Robert So from Pexels
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