Road Construction Projects

St. Charles County has approximately 72 current projects being funded through the Transportation Improvement Plan (PDF). Please click on the links below 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 at Fox Hill-Charlestowne Village City of St. Charles
Boschertown Road Phase 2 City of St. Charles
Bramblett Road Improvements Phase 1 City of O'Fallon
Convention Center Boulevard Extension City of St. Charles
David Hoekel Parkway Phase 1 County Highway
David Hoekel Parkway Phase 1B County Highway
David Hoekel Parkway Phase 2 County Highway
David Hoekel Parkway Phase 2 (Wentzville) City of Wentzville
David Hoekel Parkway Phase 3 County Highway
David Hoekel Parkway Phase 4 County Highway
Diehr Road at Route DD Study County Highway
Downtown Revitalization Preliminary Design Phase 1 City of Wentzville
Droste Road City of St. Charles
Droste Road at West Clay Street Intersection City of St. Charles
Duello Road Phase 2 County Highway
Duello Road Phase 3 County Highway
Flashing Yellow Arrow Phase 2 City of St. Charles
Gutermuth Road Phase 3 County Highway
Guthrie Road City of O'Fallon
Hanley Road City of Dardenne Prairie
Harry Truman Road Phase 2 City of St. Charles
Hepperman Road County Highway
Heritage Crossing at Route 94 County Highway
Highway 79 at Riverdale Park Drive City of St. Paul
Highway 94 (St. Charles Study) City of St. Charles
Highway 370 at Salt River Road Access Justification City of St. Peters
Hoff Road Improvements City of O'Fallon
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
Independence Road Phase 4 City of Weldon Spring
Interstate Drive Phase 4 County Highway
Jungermann Road - Boone Hills Drive Culvert Replacement and Intersection Improvements City of St. Peters
Jungermann Road Bridge Replacements City of St. Peters
Jungermann Road Safety Improvements City of St. Peters
Lake Saint Louis Boulevard at I-70 Intersection Roundabout City of Lake Saint Louis
Lake Saint Louis Boulevard Phase 1 City of Lake Saint Louis
Lake Saint Louis Boulevard Phase 2 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 at Cottleville Parkway City of St. Peters
Mid Rivers Mall Drive Widening City of St. Peters
Muegge Road and Routes 364 and 94 Interchange Improvements City of St. Charles
North Fairgrounds Road Study City of St. Charles
Old Highway N City of Lake Saint Louis
Orf Road City of Lake Saint Louis
Paul Renaud Boulevard Extension City of O'Fallon
Pitman Hill Road Multi-Use Trail County Highway
Route 364 Interchange at Gutermuth Road County Highway
Route 364 Interchange at Technology Drive City of Dardenne Prairie
Route N at Route Z County Highway
Route N and Perry Cate Boulevard Traffic Signal City of Wentzville
Salt River Road at Arrowhead Industrial Boulevard Traffic Signal City of St. Peters
Sandfort Overpass Study City of St. Charles
Schwede Road County Highway
Seeburger Road Bridge County Highway
South River Road County Highway
Spencer Road Reconstruction and Safety Improvements City of St. Peters
Systemic Safety Improvements City of St. Charles
U.S. 61 Safety Improvements MoDOT
U.S. 61 West Outer Road Extension Phases 2 and 3 City of Wentzville
Veterans Memorial Parkway at Regency Parkway City of St. Charles
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
Wentzville Parkway Turn Lane Phase 2 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 Study City of St. Charles