About the Project

CBB has maintained an on-call traffic engineering services contract with the Missouri Department of Transportation since 1998 as an extension to the MoDOT Staff.  Services provided through this contract have include a wide range of traffic engineering and planning projects.  A sample is these services have included:

  • Traffic Signal Coordination and Timing Plans
  • Access Justification Reports
  • Conceptual Study Reports
  • Microsimulation Modeling Services
  • Transportation Planning Studies
  • Travel Demand Forecasting
  • Interchange Studies
  • Value Engineering Studies
  • Traffic Counts

This contract has resulted in numerous projects. Several examples are provided below.

ENGINEERING STUDIES AND PLANNING

  • I-270/Dorsett Road Diverging Diamond Interchange (DDI) Study
  • Page Avenue (MO 364) Traffic Forecasting
  • Traffic Modeling for New Mississippi River Bridge
  • US 50 Lees Summit Traffic Forecasting
  • MO M Median Crossover Studies (J-Turn)
  • US 63/Route AC Interchange Traffic Study and Conceptual Study Report

FREEWAY OPERATIONS

  • I-55/MO M Interchange Access Justification Report
  • Poplar Street Bridge Interchange Access Justification Report
  • Jefferson National Memorial/CAR 2015 Access Justification Report
  • I-64 Value Engineering Study
  • I-270 Traffic Modeling; North St. Louis County Feasibility Study
  • I-70/Mid Rivers Mall Drive DDI Interchange Access Justification Report
  • I-70/Business Loop Conceptual Study Report and Access Justification Report

ARTERIAL OPERATIONS

  • Traffic Signal Timing Plans for MO 141 and US 67
  • I-270/Dorsett Road Interchange (DDI) Traffic Signal Timing Plans
  • MO 180 Traffic Signal Timing Optimization
  • Traffic Counts for Route D, MO 340, US 40/61, and US 61/67

DESIGN SERVICES

  • ITS Design Services along Route 340, Route 100 and Route 67
  • Route 340 Preemption Signal Design
  • MO M/Old Lemay Ferry Road J- Turn Cross over D

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