PA Turnpike – Total Reconstruction and Widening (MP A53 to MP A57)

Upper & Lower Macungie Townships, Lehigh County, PA


PA Turnpike Commission
P.O. Box 67676
Harrisburg, PA 17106-7676

Gannett Fleming
207 Senate Avenue
Camp Hill, PA 17011



Anticipated June 2027





TPD is serving as a subconsultant to Gannett Fleming for preliminary engineering and final design activities for 4.0 miles of total reconstruction and widening of the PA Turnpike Northeast Extension. The project is located immediately south of the Allentown Interchange. The project involves widening the roadway from 4 lanes to 6 lanes, the replacement of one overhead structure and two mainline structures and the rehabilitation of three culvert. The project will also involve wetland and stream mitigation and the installation of new retaining walls, noise walls, signing, pavement markings, drainage systems, and stormwater management facilities. Utility relocations and right-of-way acquisition will also be required.

Services being performed:

– Traffic Analysis for Interchange Redesign

– Roadway Plans

– Structure Plans (Three overhead structures)

– Signing and Pavement Marking Plans

– Traffic Control Plans

– Right-of-Way Plans

– Utility Coordination

– Stakeholder Coordination

– Construction Document Preparation

Limerick Township, Montgomery County, PA

Service(s): Highway Design. Construction Management and Inspection Services, Traffic Signal & ITS Systems Design & Environmental Services & Permitting
Client(s): Limerick Township

Municipality of Princeton, County of Mercer, NJ

Service(s): Highway Design
Client(s): County of Mercer

East Marlborough Township, Chester County, PA

Service(s): Multimodal, Complete Streets & Mobility Services, Traffic Signal & ITS Systems, Municipal Engineering Services, Highway Design
Client(s): East Marlborough Township