NHDOT Interstate 93 Expansion, Salem to Manchester, NH, Salem to Manchester, NH


  • Stormwater Runoff Management
  • Construction Management

Salem to Manchester, NH

Nobis is providing utility coordination for each of the contract breakouts, as well as soundwall design. Nobis is also providing construction inspection support services to the NHDOT related to soil erosion and sediment control, acting as a liaison between NHDOT and NHDES. The New Hampshire NHDOT is undertaking a comprehensive reconstruction of 19.8 miles of I-93 between Salem and Manchester. Proposed construction includes rebuilding and widening from two-lanes to four-lanes in each direction; reconstructing five interchanges; replacing or rehabilitating 43 bridges (20 new); constructing five miles of sound walls; constructing 4,500 linear feet of retaining walls; constructing extensive drainage facilities for water quality treatment; providing alternative modes of transportation; and designing a Park and Ride lot.

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