Location

Chicago, IL, USA

Client

Illinois Department of Transportation (IDOT) District 1

Services

  • Traffic Signal Optimization

  • Travel Time Studies

  • Traffic Responsive Programming

  • Manual and Automated Traffic Counts

IDOT District 1 SCAT Signal Coordination and Timing

 
Traffic signal at Illinois state road intersection

For the past 20 years, Sam Schwartz staff have provided engineering services for the Illinois Department of Transportation (IDOT) District 1, in roles varying from project engineer to project manager. Tasks on the consulting contracts included but are not limited to the following: development and implementation of signal coordination plans, traffic responsive programming, emissions and cost benefit analysis of SCAT studies, special studies of railroad interconnected traffic signals, and field review and response to signal complaints from the motoring public. Over the course of this relationship, Sam Schwartz has been involved in the study of over 2,000 traffic signals for District 1.