Pennsylvania Turnpike Total Roadway Reconstruction
This project consists of the design for the total reconstruction of the Pennsylvania Turnpike Mainline between Milepost 199.3 to 213.83 in Franklin and Cumberland Counties. As a subconsultant to KCI Technologies, Inc., Gibson-Thomas provided hydrologic & hydraulic analysis and stream surveys for 25 structures; 3 stream relocation designs, drainage design; stormwater management design; erosion & sedimentation control plan preparation; PADEP joint permit and NPDEPS permit preparation for 7 miles of roadway; structural design for the extension or replacement of 20 reinforced concrete arch culverts and one slab bridge; DARWin pavement design and utility coordination for the 15 miles of roadway reconstruction. The existing 10-foot median was reconstructed to 46 feet to incorporate a 3rd travel lane in each direction. The last section Milepost 201.74 to Milepost 206.89 is currently under construction.
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