This four-year project rehabilitates or resurfaces 14 bridges along I-55 between I-44 in the city of St. Louis and Lindbergh in St. Louis County.

This project widens the bridges on I-270 over Conway and Ladue and adds additional ramp lanes between I-64 and I-270.

This project updates signals and sidewalks along Lindbergh between Barracksview and Big Bend and resurfaces the roadway.

This project updates sidewalks and signals between Page and Swan along Route 61/67 and resurfaces the roadway. Also replaces the bridge over Deer Creek.

This project updates signals, pedestrian crossings and sidewalks along Route 100 (Manchester Road) between Lindbergh and I-270. The roadway will be resurfaced at the end of the project.

This project constructs a roundabout at the intersection of Route 109 and Route CC as part of efforts to improve traffic flow.

This project updates sidewalks and several pedestrian crossings and signals along Route 340 between Lea Oak and I-270 and resurfaces the roadway.

Crews are replacing overhead signs along the I-270 and I-255 corridor in St. Louis County.

A pdf map showing what constructions projects are planned for southwest St. Louis County in 2023 and 2024 and where those projects are.

A project to replace overhead signs along the I-55 corridor between the Ste. Genevieve County Line and the Poplar Street Bridge.

A project to replace overhead signs along I-64 between the Poplar Street Bridge and I-70 in St. Charles County, and to replace signs along I-170 between I-64 and I-270.

This project updates sidewalks, signals and pedestrian crossings along Route 21 in St. Louis county and rehabilitates or overlays bridges along Route 21 between the Meramec River and Schenk Road near ...

A project to make updates to the roadway’s pedestrian facilities and resurface the roadway when those updates are completed.

MoDOT has a project planned for Route 100 (Manchester Road) between I-270 and Route 141. The project includes bridge and culvert maintenance, sidewalk and signal updates and resurfacing.

A project to make safety improvements and resurfacing Route 231 between Franru and the city of St. Louis limits.

The Missouri Department of Transportation has a two-year project scheduled for Route 231 (Telegraph Road) between Franru and the Meramec River t update signals and pedestrian facilities and resurfacin...

A two-year project to make pedestrian updates and resurfacing along Route 267 from Lindbergh to the city of St. Louis limits.

A project to update sidewalks and pedestrian crossings along Route 366 in St. Louis County between Geyer Road and the St. Louis city limits. At the end of the project, Watson will be resurfaced.

The Missouri Department of Transportation has a project, starting in late 2024, scheduled for Missouri Route AB (Ladue Road) between I-270 and Route 141. As part of the project, the department will be...

This study looks at ways to improve traffic flow at I-44 and Shrewsbury in St. Louis county.

This study examines way to improve traffic flow between I-55 and River Des Peres.

This project eased traffic flow around the Route 141 and I-44 interchange, constructing a flyover ramp from southbound 141 to eastbound I-44, updating access to eastbound and westbound I-44 and making...

This two-year project completed necessary preventative maintenance and painting on the I-255 bridge over the Mississippi River. Work on the I-255 bridge over Koch Road was also completed. The eastboun...

This project updated sidewalks and pedestrian access also Route 100 (Manchester Road) between Big Bend and Lindbergh. The project also replaced the Black Creek bridge (west of Hanley) on Manchester Ro...

This project updated sidewalks, signals and pedestrian crossings along Route P(Mackenzie) between Route 30 and Watson Road.