North Williston Road Route 117 Scoping Study


Essex, Vermont

On behalf of the Chittenden County Regional Planning Commission, D&K explored alternatives to improve the intersection of Route 117 and North Williston Road. In addition to traffic congestion, safety deficiencies, and bicycle/pedestrian mobility limitations, the area experiences repeated flooding and roadway over-topping between the Winooski River bridge and the Route 117 intersection.

Improvement options included signalization, signage, roadway realignment, and a roundabout. As it was determined that the area would flood repeatedly, easily operable gates with flashing lights were suggested for times when road closure becomes necessary. Services included:

Purpose and Need Statement
Right-of-way, utilities, and resource identification
Base mapping utilizing GIS
Topographic survey
Hydraulic condition and floodplain analysis
FEMA HEC-RAS modeling
Multimodal traffic forecasts
Public involvement meeting
Permitting (Act 250, CUD, and USACE)
Hydraulic and transportation alternatives/recommendations

  • Route 117 Study
  • Route 117 Study Route 117 Study
  • Route 117 Study Route 117 Study
  • Route 117 Study Route 117 Study

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