MoDOT to open roundabout in southeast section of I-55/US 67 interchange in Jefferson County

JEFFERSON COUNTY- Drivers should be aware that beginning at on Wednesday, January 29 at 3 p.m., MoDOT will open the roundabout in the southeast portion of the I-55/US 67 interchange to northbound US Route 67 traffic and traffic exiting northbound on I-55 continuing onto northbound US 67.

Northbound I-55 traffic exiting at the Festus exit (Exit 174) to travel on northbound US 67 will use the new roundabout to continue on northbound US 67. Drivers traveling northbound I-55 to southbound US 67 will continue to use the existing loop ramp in the northeast quadrant.

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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