MoDOT Partnering Projects

Although these projects provide for improvements on MoDOT-owned and -maintained routes, St. Charles County has identified these projects as regionally significant and has partnered with MoDOT. The County provides additional funding support, to help advance these projects to construction. 

PROJECTS IN DESIGN

1-64/1-70/US 61 Interchange Improvements

Route 370 Interchange Ramp at Salt River Road – Phase 2

Route Z Widening & Signalization

Route K and Route N Intersection Improvements

PROJECTS IN CONSTRUCTION

I-70 Design-Build – Cave Springs to Fairgrounds

Route Z and Interstate Drive

PROJECTS COMPLETED

I-70 and Fifth Street Interchange

I-70 and Route M/K Interchange (I-70 Phase 1)

I-70 South Outer Road – Woodlawn to Route K (I-70 Phase 2)

Lake Saint Louis Boulevard — I-70 Roundabout

Route 61 Safety Improvements

Route 94 Widening

Route 364 and Gutermuth Road Interchange

Routes 364/94 and Muegge Road Interchange Improvements

Route 370 Interchange Ramp at Salt River Road – Phase 1

Route A Improvements

Route DD

Route N and Hawk Ridge Trail Intersection Improvements