Larson Design Group (LDG) is delighted to announce the addition of Travel Demand Forecasting and Traffic Simulation Modeling to the growing list of services and capabilities available through our expanding Traffic Engineering Department. These new service areas complement our traditional traffic engineering services, and allow us to provide our clients with state-of-the-art transportation analysis techniques to address challenging and complex transportation issues. Expert staff is fluent in software packages for modeling work including VISSIM, VISUM, TransCAD, SimTraffic, Corsim, Cube Voyager, TP+,and Tranplan.

LDG is one of the few consultants based in Pennsylvania to offer comprehensive travel demand forecasting and traffic simulation modeling services.


  • Traffic Impact Studies
  • Traffic Simulation
  • Traffic Engineering
  • Travel Demand Forecasting