Traffic Engineering:

Stonebridge Bluff Drive/IL Route 157 Turn Lanes

PROJECT NAME: Stonebridge Bluff Drive/IL Route 157 Turn Lanes
CLIENT: Sherbut-Carson-Claxton, LLC
JURISDICTION: Village of Maryville and Illinois Department of Transportation (IDOT)
LOCATION: Maryville, Madison County, Illinois
CONSTRUCTION COST: $250,000 (Est.)
PROJECT DESCRIPTION: Sherbut-Carson-Claxton, LLC employed our firm to prepare the Intersection Design Study (IDS) and Construction Plans, Specifications, and Estimate for the intersection of a new subdivision entry roadway (Stonebridge Bluff Drive) intersecting an existing state highway (IL Route 157).   All phases of the project were subject to IDOT review for compliance with IDOT standard policies and procedures.  The IDS analysis was completed using Highway Capacity Software (HCS).  Turning movements and corner radii were developed using AUTOTURN software for the appropriate design vehicle, and the intersection sight distance was checked.  The project included the addition of a left-turn lane on IL Route 157. The construction scope included asphalt widening and paving, asphalt shoulders, ditching, drainage culverts, thermoplastic pavement markings and driveway removal and replacement. 

Transportation Areas of Service:
Roads & Streets
Traffic Engineering
Planning / Funding Applications
Recreational Facilities
Construction Inspection

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