Key transportation planning partners are evaluating Interstate 81 (I-81) in South Central PA to identify a strategy for addressing the safety, mobility, access, and condition needs along the 100-mile corridor by:

• Evaluating the needs
• Consolidating the corridor into Focus Areas
• Prioritizing the Focus Areas by county
• Identifying improvement options

Please review the project overview video to learn more >>>>>>

Check out the interactive maps below for a closer look at the findings to date.


Milestone Schedule: Phase 2 is Underway

I-81 Schedule September 2020

What We Heard


Corridor Facts

Focus Area Criteria

Key Players

Meet the Team

Lead Agency

Tri-County Regional Planning Commission

Primary Partners

Franklin County Planning Department
Lebanon County Planning Department
Pennsylvania Department of Transportation
Federal Highway Administration