Projects in Construction

The links provided will direct you to project information sheets for all road projects currently in construction. These project information sheets include location, description, status, anticipated funding, and any available conceptual plan information. For more specific questions regarding any project listed below, please contact the project sponsor. Sponsor contact information is listed at the bottom of the first page of each project information sheet. 

CITY OF COTTLEVILLE

Highway N

CITY OF DARDENNE PRAIRIE

No projects currently in construction.

CITY OF LAKE ST. LOUIS

Lake St. Louis Boulevard – I-70 Roundabout

CITY OF O’FALLON

Highway DD

I-70 South Outer Road – Woodlawn to Route K

CITY OF ST. CHARLES

Little Hills Expressway at Mel Wetter Parkway Roundabout

Muegge Road & Routes 364/94 Interchange Improvements

Smart Parking

Systemic Safety Improvements

Zumbehl Road Bridge Culvert

CITY OF ST. PETERS

Route 370 Interchange Ramp at Salt River Road – Phase 1

CITY OF WENTZVILLE

Route A Improvements

Wentzville Parkway South – Phase 1

West Meyer Road – Phase 3

West Pearce Boulevard & Meyer Road Traffic Signal

COUNTY HIGHWAY

Central School & St. Peters-Howell Traffic Flow Improvements

Route N – Phase 3A (f/k/a Route N at Route Z)