Design & Construction Details

Milepost 49-53 Reconstruction Design & Construction Details

PROPOSED CONSTRUCTION AVTIVITIES

Future construction activities include:

  • Tree clearing in advance of construction
  • Followed by mainline widening outside of existing shoulders
  • Followed by reconstruction of the travel lanes.

 

There are no Construction Activities at this time.

Areas of Interest during the Design Process

ariel view of turnpike roadway

The bridge over Bessemer & Lake Erie Railroad demonstrates a substandard curve that will require widening to the north.

underpass

Hulton Road under Turnpike - The horizontal and vertical clearances will meet PennDOT Design Criteria. Hulton Road was lowered in 2021.

underpass

Repp Road under Turnpike - The horizontal and vertical clearances will meet the Plum Borough’s design requirements.

underpass

Milltown Road under Turnpike - The vertical and horizontal clearances will meet the PennDOT Design Criteria.

ariel view of turnike viaduct

Leechburg Road Viaduct - In order to maintain four lanes of traffic during the replacement of the bridge over Little Plum Creek on Leechburg Road and Siple Street, the bridge location will likely need to be shifted slightly to the north or south.

bridge over turnpike

Unity Trestle Road over Turnpike - The horizontal clearances will meet the Allegheny County Design Criteria. Unity Trestle Road bridge was replaced in 2021.

underpass

Miller’s Lane under Turnpike - The horizontal and vertical clearances will meet the Plum Borough’s design requirements.

More Project Resources

Project Overview

Learn about Milepost 49-53 Total Reconstruction.

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News & Public Involvement

Learn how we stay connected with the public about this project.

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Team & Contact Information

Learn about the team that we will work with to complete the work on this project.

Contact the Team