Background
The main objective of this paper is to compare the results of CORSIM and SimTraffic on an arterial with
low to moderate traffic volumes. HDR has been involved in a project in the cities of Waterloo and Cedar
Falls, Iowa entit
LED Blackhawk Signal Optimization Study. The main intent of the project was to develop
signal-timing plans for ten signal sub systems that would decrease delay and air emissions. One of HDRs
strategies was to use CORSIM as a tool to determine if the optimized timing plans were “functioning”
like we hoped they would in the field. The existing CORSIM models were calibrated using travel time
runs along the systems included within our scope. When the project first originated, CORSIM was really
the only choice for traffic simulation that HDR was familiar/comfortable with. Since then, the developers
of Synchro have developed a new traffic simulation program entit
LED SimTraffic. SimTraffic is
somewhat similar to CORSIM and thus HDR staff was interested in knowing if there would be any major
differences between the simulation results obtained by CORSIM and those obtained by SimTraffic.
