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Weekly construction report

A weekly list of planned construction around St. Louis City, and St. Louis, St. Charles, Franklin and Jefferson counties. Information is updated by Wednesday afternoon each week and shares roadway construction information for the following Thursday...

St. Louis Work Zones May 21-27

05/20/2026

ST. LOUIS – The Missouri Department of Transportation will suspend most work on interstates and state-maintained highways to reduce congestion and ease travel during the Memorial Day weekend.

Crews will suspend lane closures for work zones starting...

New girders to be set on St. Charles Road overpass this week

05/20/2026

JEFFERSON CITY, Mo. – The new St. Charles Road overpass in Columbia is taking shape as construction hits a major milestone this week with the installation of girders.  

For the safety of drivers under the bridge, Interstate 70 traffic will narrow and...

Express Lane

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Interstate 44 Corridor Upgrades in Laclede and Phelps Counties

MoDOT is planning pavement and interchange improvements on I-44 in Laclede and Phelps counties. In Laclede County, pavement improvements will span approximately 10.5 miles, focusing on replacing deteriorated pavement and rebuilding key sections of...

Districts Impacted
Central
Counties Impacted
Laclede
Phelps
Route Impacted
44
Planning Phase

Missouri Route 100 Sidewalk/ADA Improvements in St. Louis County

This project fills in gaps in the sidewalks along this corridor, brings all sidewalks up to Americans with Disabilities Act standards, updates signals and pedestrian crossings, replaces two culverts, renovates the westbound bridge over I-270 and...

Districts Impacted
St. Louis
Counties Impacted
St. Louis
Route Impacted
100
Planning Phase