Edward Jones Traffic Study

Location: St. Louis County, Mo.

Client: Edward Jones

Burns & McDonnell recently completed a traffic study of three multi-lane intersections on the high-volume suburban arterial roads surrounding the Edward Jones campus in St. Louis. The project team obtained turning movement counts for morning, noon and evening weekday peak hours at Manchester Road at Edward Jones/West County Mall entrance, Manchester and Ballas Roads, and Ballas Road at Edward Jones. Volumes were counted during the busiest shopping week between Thanksgiving and Christmas in order to reflect the high volumes turning into and out of the shopping center across from the Edward Jones entrance on Manchester Road. These volumes were projected to the design year 2015, which had been used in design development for recent improvements to Manchester Road.

Traffic volumes were estimated for a proposed building addition on the Edward Jones campus, based on ITE’s Trip Generation Manual. These new traffic volumes added to the future traffic volumes on the road network were analyzed using Highway Capacity Software to determine the new development’s potential impacts to traffic flow. Engineers compared existing and proposed conditions in the traffic analysis. The study found that the Manchester and Ballas Road intersection will likely have capacity problems in the future during peak hours, whether or not an additional office building is constructed at that location. The report outlined recommendations for improving intersection capacity at the entrances to Edward Jones on Manchester and Ballas Roads, as well as for improving traffic circulation within the Edward Jones campus.

Burns & McDonnell also completed a detailed traffic study of an office park in Maryland Heights, Mo. The purpose of the study was to determine the existing levels of service on the regional road network and analyze the impact on this network that by the 20-year build-out of the Edward Jones Master Plan north campus. Studies included existing traffic counts, trip projections and distribution, and traffic analyses of the Westport Industrial Park area. Future traffic projections were included for the anticipated development as well as other planned projects in the area. A model was developed in SYNCHRO, and several intersections were analyzed on Dorsett Road and West Port Plaza Drive. SYNCHRO signal optimization was used to model arterial progression, and recommendations were made for intersection and roadway improvements to accommodate the anticipated future traffic.

  • Traffic study
  • Traffic forecasting
  • Traffic modeling
  • Level of service analysis