As the first contract in PennDOT’s long-term improvement plan for I-70, this project, the state’s first DDI, focused on minimizing traffic congestion with the reconstruction of I-70 between I-79 North Junction and the Rte. 136 Beau Street interchange, as well as reconfiguring the Rte. 19/Murtland Avenue interchange. Widening of I-70 went into the median, while the DDI was contained in the existing interchange footprint. No commercial displacements were made along the rights-of-way. Moreover, the worksite was kept open to traffic the whole way through.
Location: Washington County, Pa.
Cost: $52 million
Length: 9,450 ft
Designers: Gannett Fleming Inc. (prime); Tri-State Design & Development Inc.
Contractor: Golden Triangle Construction Co. (prime)
Owner: Pennsylvania Department of Transportation District 12
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