Road Construction Projects

St. Charles County has approximately 70 current projects being funded through the Transportation Improvement Plan. Please click on the links for project information and schedules. For the latest updates, please contact the sponsor. For updates on projects sponsored by St. Charles County Highway, visit the department's Road Projects page.

Project Sponsor
Boschertown Road Phase 2 City of St. Charles
Bramblett Road Improvements Phase 1 City of O'Fallon
Caledonia Parkway City of O'Fallon
Central School and St. Peters Howell County Highway
David Hoekel Parkway Phase 1 County Highway
David Hoekel Parkway Phase 2 (Wentzville) City of Wentzville
David Hoekel Parkway Phase 2D (Wentzville) City of Wentzville
David Hoekel Parkway Phase 4 County Highway
Diehr Road at Route DD County Highway
Droste Road Extension Study City of St. Charles
Duello Road Phase 2 County Highway
Duello Road Phase 3 County Highway
Great Oaks Boulevard Extension City of Wentzville
Gutermuth Road Phase 3 County Highway
Guthrie Road Phase 2 City of O'Fallon
Hanley Road City of Dardenne Prairie
Hawks Nest Drive City of St. Charles
Hepperman Road County Highway
Heritage Crossing at Route 94 County Highway
Highway DD City of O'Fallon
Highway N City of Cottleville/County Highway
I-64 South Outer Road Study City of O'Fallon
I-70 at Route M/K Interchange City of O'Fallon/MoDOT
I-70 South Outer Road Woodlawn to Route K City of O'Fallon
Interstate Drive Phase 4 County Highway
Interstate Drive Reconstruction (Quail Ridge) County Highway
Jungermann Road Bridge Replacements City of St. Peters
Lake Saint Louis Boulevard Extension (O'Fallon) City of O'Fallon
Lake Saint Louis Boulevard Extension (County Highway) County Highway
Lake Saint Louis Boulevard - I-70 Roundabout City of Lake Saint Louis
Lake Saint Louis Boulevard Phase 3 City of Lake Saint Louis
Little Hills Expressway at Mel Wetter Parkway Roundabout City of St. Charles
Mid Rivers Mall Drive Right-Turn Lane and Multi-Use Path City of St. Peters
Muegge Road and Routes 364 and 94 Interchange Improvements City of St. Charles
Old Highway N Phase 1 City of Lake Saint Louis
Old Highway N Phases 2 and 3 City of Lake Saint Louis
Peine Road City of Wentzville
Pitman Hill Road Multi-Use Trail County Highway
Premier 370 Park City of St. Peters
Riverpointe City of St. Charles
Route 364 Interchange at Gutermuth Road County Highway
Route 364 Interchange at Technology Drive City of Dardenne Prairie
Route 370 at Salt River Road Access Justification City of St. Peters
Route 370 Interchange Ramp at Salt River Road Phase 1 City of St. Peters
Route N Phase 3A (formerly known as Route N at Route Z) County Highway
Route N Phase 3B (formerly known as David Hoekel Parkway Phase 2)
 County Highway
Route N Phase 4 (formerly known as David Hoekel Parkway Phase 1B) County Highway
Route Z and Interstate Drive City of Wentzville
Schwede Road County Highway
Seeburger Road Bridge County Highway
South Fifth Street Reconstruction County Highway
Spencer Road - Project Smile City of St. Peters
Spencer Road at Premier Parkway Lane Additions City of St. Peters
Spencer Road Reconstruction and Safety Improvements City of St. Peters
Stump Road City of Dardenne Prairie
Systemic Safety Improvements City of St. Charles
U.S. Route 61 West Outer Road Extension Phase 2A City of Wentzville
U.S. Route 61 West Outer Road Extension Phases 2 and 3 City of Wentzville
Weiss Road at Route N County Highway
Wentzville Parkway South Phase 1 City of Wentzville
Wentzville Parkway South Phase 2 City of Wentzville
Wentzville Parkway South Phase 2A City of Wentzville
West Elm Street Extension City of O'Fallon
West Meyer Road Phase 3 City of Wentzville
West Pearce Boulevard and Meyer Road Traffic Signal City of Wentzville
Westwood Drive County Highway
Zumbehl Road Bridge Culvert City of St. Charles
Zumbehl Road and Ipswich Lane Intersection City of St. Charles