With more than 3,100 lane miles of road and street pavement and more than 184 bridges to maintain, Saint Louis County's Department of Highways and Traffic is Missouri's second largest caretaker of public roadways, exceeded only by the Missouri Department of Transportation (MoDOT).
In addition to its administrative offices at 1050 North Lindbergh Blvd. in Creve Coeur, the Department maintains five Maintenance Districts located throughout the County; the Operations Division Headquarters on Schaefer Drive; the Division of Construction Headquarters, Materials Testing Lab and Survey Section on Schaefer Drive, and the Traffic Operations Building on Adie Road.
St. Louis County Department of Highways & Traffic
From these locations, under the leadership of Acting Director Stephanie Leon Streeter, P.E. the Department's 475 employees perform literally hundreds of duties necessary to ensure the smooth function of its road, bridge, intersection and sidewalk system, which encompasses the entirety of unincorporated Saint Louis County and designated arterial roads in incorporated communities. The Department prepares annual capital improvement and operating budgets, develops projects that address multi-modal needs, oversees multi-million dollar transportation related construction projects, patches potholes, installs traffic signs, plows snow, surveys streets, mows grass, monitors road conditions and assigns repair priority to roads in greatest need, designs and installs electric traffic signals, keeps County Government's fleet of 3,600-plus motor vehicles and pieces of equipment functioning, oversees parking garage operations for more than 2,400 vehicles, repairs bridge decks, constructs new sidewalks and driveway approaches, installs intelligent transportation systems, and restripes pavement for delineation and for bicycle accommodations.
1050 N. Lindbergh Boulevard
Saint Louis, Missouri 63132