Overview
Key transportation planning partners in the region are working together on a
no-borders evaluation of 100 miles of Interstate 81 (I-81) in South Central PA to identify the safety,
congestion, condition and access needs of the interstate and on connecting roads and infrastructure that are
affected by I-81.

What We Heard
Congestion & Safety Top Concerns
Check out the needs identified by location in the Public Input Summary Map. Use the left/right arrows to compare your feedback to the I-81 Projects Already in Progress Map.
Public Input Summary Map
Public input was gathered via surveys and meetings to understand the safety,
congestion, accessibility, and infrastructure needs that motorists experience.
I-81 Projects in Progress
PennDOT is advancing several projects along the South Central PA I-81 corridor already. Simply select an icon on the map below for more details.
Corridor Facts

Condition
1961

Length
100

Congestion
Up to 104,000

Truck Traffic
36%

Bridges
177

Access
36

Municipalities
121

Population
820,000
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