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March 20, 2019 1:40 PM

Local Highway, Route Construction Information from MoDOT


One lane on the I-70 North Outer Road between Sonderen and the Fort Zumwalt School District Administration building will be closed starting March 21 for about four months. The lane will be closed after morning rush hour and will remain closed around-the-clock while crews work to create the new tie-in from the North Outer Road and Route K. The closure is part of the I-70 Traffic Flow Improvement project. For more information on the project visit


Starting today, the T.R. Hughes ramp to westbound I-70 will be closed. The ramp will be relocated as part of the I-70 improvement project going on between T.R. Hughes and Route K. The new, relocated ramp will reopen later this year. Drivers can detour around the ramp closure by either taking the I-70 North Outer Road (East Terra) to Route K or taking Mexico to Route K. Please allow extra time while using these detour routes as the extra traffic could cause delays. For more information on the I-70 Improvement Project being done in conjunction with the City of O’Fallon, please visit the project website at

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