Roads

September 14, crews working on the Improve I‑70 Warrenton to Wentzville Project will temporarily close Veterans Memorial Parkway (the I‑70 South Outer Road) for 30 days to construct the connections to the new roundabout east of Wright City.

The countdown to kickoff is on as football season approaches, and the Missouri Department of Transportation (MoDOT) reminds motorists and football fans that construction season is also underway, with work to improve and add a third lane in each direction on Interstate 70 across the state.

September 8, Interstate 70 traffic shifts are planned in Warren County, beginning east of the Routes F/J/Elm St. interchange in Wright City, extending to the St. Charles County line (mile marker 201.0 – 202.8), as work continues on the Improve I-70: Warrenton to Wentzville project.

To reduce congestion and ease travel during the Labor Day weekend, MoDOT will suspend most work on interstates and state highways, starting at 12 p.m. Friday, September 4.

Crews with the Improve I-70 Warrenton to Wentzville Project will shift all eastbound Interstate 70 lanes to the left and reduce lane widths to 10-foot lanes at Route Z starting overnight from 9 p.m. Monday, September 14.

Senate Bill 1408, which permits MoDOT to increase the maximum speed limit to 75 miles per hour on rural interstates, took effect Aug. 28, but no changes to the speed limit have been made while the department evaluates eligible locations.

Drivers using Interstate 70 in Wentzville should be aware of several continuing overnight closures that will impact them over the next week.

August 20, eastbound Interstate 70 traffic shifts are planned in Warren County, at Warrenton between Warrenton Blvd/Route MM to east of the Missouri Route 47 Interchange (mile marker 191.4 – 193.2) as work continues on the Improve I-70: Warrenton to Wentzville project.

The Missouri Route 47 at Warrenton opened to traffic late this evening, August 17, 2026, following a special “ribbon‑joining” ceremony to mark the completion of the bridge replacement project over Interstate 70.

Crews with the Improve I-70 Warrenton to Wentzville Project will close all westbound lanes of Interstate 70 at the I-70/I-64/U.S. 61 interchange overnight August 24-28. Crews will be doing work on the existing bridge girders. All work is weather permitting.

Crews with the Improve I-70 Warrenton to Wentzville Design Build Project will close a section of Veterans Memorial Parkway between South Point Prairie and Hepperman Road starting Monday, August 10, through Friday, August 21.

Crews with the Improve I-70 Warrenton to Wentzville Project will continue work on the Interstate 70 and Route T/W interchange at Foristell by constructing the new Route T and Veterans Memorial Parkway intersection Monday, August 17 through Friday, August 21. All work is weather permitting.

ST. CHARLES COUNTY – Crews with the Improve I-70 Warrenton to Wentzville Project will shift all westbound Interstate 70 lanes to the left starting Monday, August 3, from the Foristell weigh station to the Warren County line. All work is weather permitting.

HANNIBAL – July 27, eastbound Interstate 70 traffic shifts are planned in Warren County, between Warrenton and the Wright City Rest Area (mile marker 194.2 to 197.6) as work continues on the Improve I-70: Warrenton to Wentzville project.

ST. CHARLES COUNTY– Crews with the Improve I-70 Warrenton to Wentzville Project will shift all eastbound Interstate 70 lanes between the Foristell weigh station and Wentzville Parkway (mile marker 205.4 to 208) onto the new pavement with barrier walls starting Thursday, July 23. All work is weather permitting.

ST. CHARLES COUNTY – Crews with the Improve I-70 Warrenton to Wentzville Project will shift traffic in the westbound direction of Interstate 70 at David Hoekel Parkway (mile marker 206) for pavement construction starting Wednesday, June 24. All work is weather permitting.