PA Route 51 to I-376 of the Mon/Fayette Expressway

Traveling Construction PA Route 51 to I-376 of the Mon/Fayette Expressway
 
Mon/Fayette Expressway, PA Route 51 to I-376

Project Overview

Overall, the Pennsylvania Turnpike Commission’s (PTC) Mon/Fayette Expressway (PA Turnpike 43) encompasses four separate projects. The first three Mon/Fayette projects have been built and stretch 54 miles by connecting I-68 in West Virginia to PA Route 51 in Jefferson Hills, Allegheny County.

The PA Route 51 to I-376 Project is the final and the largest of the four Mon/Fayette Expressway projects. Due to funding availability, this project has been divided into two sections: north of the Monongahela River and south of the Monongahela River.

The first section being constructed is south of the Monongahela River, which is an eight-mile stretch between PA Route 51 in Jefferson Hills to PA Route 837 in the City of Duquesne in Allegheny County.

Due to the size and scope of the PA Route 51 to PA Route 837 project, the construction has been broken into seven sections. The construction sections will include areas within Jefferson Hills, West Mifflin, Dravosburg, the City of Clairton and the City of Duquesne.

The PTC is finalizing the property acquisitions needed to construct the southern section of the PA Route 51 to I-376 Project. Utility work is progressing as Duquesne Light Company relocates transmission lines as part of its agreement with the PTC. Union Railroad is working to relocate their facilities to accommodate the project, including the construction of a new car shop, scale facility and track relocations.

It is anticipated that construction of the first section could begin in early 2023. As the sections with tolling points are completed, they will be opened to traffic.

When construction of both the northern and southern sections of the PA Route 51 to I-376 Project is complete, the Mon/Fayette Expressway will allow traffic to travel 68 miles from I-68 near Morgantown, West Virginia to PA Route 837 in the City of Duquesne.

Construction Details – Southern Section
(PA Route 51 to PA Route 837)

The southern section of the Mon/Fayette PA Route 51 to I-376 Project is divided into seven construction sections.  Construction of the first section (53A1) could begin in early 2023.  Construction will proceed on the remaining sections as each section is completed and open to traffic.

Below is a brief description and map of the seven sections.

  • Section 53A1 - Begins at existing PA Route 43 and PA Route 51 interchange and continues to north of Coal Valley Road in West Mifflin Borough.
  • Section 53A2 - Begins north of Coal Valley Road and continues to north of Camp Hollow Road near Curry Hollow Road in West Mifflin Borough.
  • Section 53B1A - Begins Mainline north of Camp Hollow Road and continues to north of Pittsburgh McKeesport Blvd in Dravosburg.
  • Section 53B2 - Begins north of Pittsburgh McKeesport Boulevard and continues to south of Homeville Road in West Mifflin.
  • Section 53C1 - Begins south of Homeville Road and continue to a new terminus at Exit 61, and anew Middle Connector Road to new Overland Avenue Extension in Duquesne.
  • Section 53C2 - A realignment of Commonwealth Avenue / Upper Connector Road) and a realignment of Hoffman Boulevard. which will provide a new T-Intersection with Commonwealth Avenue in Duquesne.
  • Section 53C3 - Replacement of existing PA Route 837 Bridge and approaches, along with a new Lower Connector Road to new Overland Avenue Extension in Duquesne.
Mon-Fayette Expressway PA 51 to Duquesne Project Overview

Construction Timeline

Below is an estimated timeline for the construction phase of each of the seven sections for PA Route 51 to PA Route 837 Project. 53EA involves the is installation of dynamic message signs to provide traffic updates on State Route 15 and the existing Mon/Fayette Expressway.

 

Mon Fayette Expressway Construction Schedule

As funding becomes available, the remaining six miles of the Mon/Fayette Expressway, known as the northern section, will be constructed and eventually connect to Monroeville in Allegheny County.

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