
St. Louis drivers, brace yourselves for some significant changes on the roads, as the Missouri Department of Transportation (MoDOT) has announced a series of work zone updates for the upcoming week that are sure to thoroughly impact traffic patterns. Starting tomorrow at 8 p.m., southbound I-55 traffic will see a shift onto the newly constructed median pavement from south of Route Z to north of McNutt Street, with the full switch expected to be complete by Monday at 7 a.m. This traffic maneuver will facilitate the demolition of the existing southbound I-55 pavement and bridges over Herky Horine Road and Joachim Creek, according to MoDOT's website.
The list of ongoing lane closures is extensive and includes various sections of I-55, I-170, I-270, Route 21, and more, with some expected to last through 2025. Noteworthy closures include the southbound I-55 ramp from Virginia and the northbound I-55 ramp from Germania, both anticipated to remain closed through December 2025. In an effort to smooth the flow of info, MoDOT encourages motorists to visit their real-time traffic website, Gateway Guide, to check up on traffic conditions as they develop. For those seeking to navigate the weather conditions along their routes, MoDOT also recommends checking their traveler information map before heading out.
Aside from the long-term projects, daily closures and traffic adjustments also dot the landscape. Today, drivers will experience lane closures on I-64 in St. Louis County, I-70 across various stretches, and additional construction zones including Route D and Route MM in Franklin County. These disruptions are slated to continue into the early morning hours, with additional closures popping up throughout the week.
Keep in mind the changes extend beyond highway lanes; several ramps will be temporarily out of commission. The ramp from southbound Route 67 to southbound I-55 will be closed through September, while Route 67 also sees closures on its north and south loop ramps to Route D. Elsewhere in the county, Route 141 will have one southbound lane shut down just north of I-70 starting 9 p.m. tomorrow, and the westbound exit ramp to Riverview Drive on I-270 will also be closed. These closures clearly look to set the stage for a slew of lengthy construction projects that will likely test the patience and flexibility of St. Louis drivers.
Motorists are advised to keep an eye out for updated closures and changes, as all work is subject to shift due to inclement weather or other unforeseen factors. Staying informed can be the difference between a frustrating commute and a manageable one. For the latest traffic news and route planning, you can always turn back to MoDOT's traffic and weather resources.









