07/22/2026 | Press release | Distributed by Public on 07/22/2026 10:51
JEFFERSON COUNTY- Drivers who use northbound Interstate 55 between McNutt Street and Route Z should be aware the interstate will close overnight this Saturday to shift northbound I-55 onto the median pavement. Weather permitting, crews will close all lanes of northbound I-55 on Saturday, July 25 between 11 p.m. and 5 a.m. Sunday, July 26.
A signed detour will direct traffic around the closure. Drivers will exit I-55 at McNutt Street (Exit 178), turn right and travel eastbound on McNutt Street to U.S. Route 61/67.
For additional information about current and upcoming detours and project status, please visit the I-55 Corridor Improvement project website at: Interstate 55 Corridor Upgrades in Jefferson | Missouri Department of Transportation (modot.org).
For up-to-date traffic and travel info, motorists can check MoDOT's Traveler Information Map at http://traveler.modot.org/map/.
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