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Milepost 312-316 Reconstruction - Overview

Traveling Construction Milepost 312-316 Reconstruction - Overview

Total Reconstruction Project

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Project Overview

This project will reconstruct and widen four miles of the Pennsylvania Turnpike from milepost 312 to milepost 316 in Upper Uwchlan, Uwchlan, West Pikeland, and Charlestown Townships in Chester County. The roadway will be widened from four lanes to six, featuring three 12-foot-wide travel lanes in each direction, a 26-foot median, and 12-foot-wide shoulders.

The project also involves replacing mainline bridges over local roads, lengthening culverts, and improving stormwater drainage through the area. As part of this multi-phase project, the PA Turnpike has replaced two overhead bridge replacements at Bodine Road and Valley Hill Road (SR 1021) and will replace three mainline bridges at Pine Creek Road, Conestoga Road (SR 401), and Downingtown Interchange Ramps (Exit 312/Route 100). The roadway and mainline bridge replacements are currently under construction with an estimated project completion in 2027.

Upon completion, this reconstruction and widening project will enhance safety and mobility for travelers on this section of the interstate.

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Design & Construction

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Project Map

MP 312-316 Map 2025

Project Schedule

MP 312-316 Schedule Oct25

These time frames are approximate and will be refined as the project advances.

Project FAQs

Why is this project being built?

This project is part of the Pennsylvania Turnpike Commission’s statewide total reconstruction initiative which entails rebuilding sections of the 60-plus-year-old PA Turnpike facility from the ground, up. The new roadway design meets current interstate design standards and will provide a safer and more efficient travel experience for Turnpike customers. The existing pavement conditions, current traffic volumes, and projected growth dictate widening the mainline from four to six lanes.

How much will this project cost and how is it funded?

The construction contract is valued at $215.5 million.

The project is funded entirely by PA Turnpike toll revenue and has no federal funds or state tax dollars involved.

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Improvements

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