St Louis County Updates

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Real-Time Traffic

Safe and Sound

St. Louis County Updates

St. Louis County Update Map

Click in the map to see projects in that area of the county

St. Louis County Map (3.1 Mb)

North St. Louis County Projects

Southwest St. Louis County Projects

For daily roadwork information, please visit the Daily Lane

Closure Update page.

Check Your Route
for Work Zones
and Road Conditions

Potholes
Mowing
Traffic Signals & Signs

Job Listings
and
Applications

Welcome to MoDOT

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St. Louis District Home

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Today’s Lane Closures

This Week’s Road Construction

Statewide Road Construction Information

Gateway Guide (St. Louis)

Kansas City Scout

Ozarks Traffic Information

511

Traveler Information Map

I-270 Speed Limits

Franklin County

Jefferson County

St. Charles County

St. Louis City

St. Louis County

I-270 & Dorsett Page Project

I-64 Boone Bridge

Route 364 Page Ave Extension

Mississippi River Bridge

Blanchette Bridge Renovation

Safe and Sound

The New I-64

St. Louis Area Stimulus Projects

Five-Year Construction Program (pdf)

Local News Releases

General Information

Groundbreakings

Ribbon Cuttings

Public Meetings

Publications and Reports

Permits for Work on Right of Way

St. Louis Blog

Traffic Volumes for St. Louis Region (pdf)

Flashing Yellow Arrows

Planned Event Coordination

Area Transportation Links

Adopt A Highway

Arrive Alive

Commuter Lots

Gateway Guide

Motorist Assist

Speaker's Bureau

St. Louis Clean Air Partnership