Section of Interstate 70 North Outer Road to Close Starting Monday, June 18

Section between Route K and Hilltop Way to Close for 45 Days

A section of the Interstate 70 north outer road in St. Charles County will close next week for 45 days.  The outer road, also known as East Terra Lane, will close on Monday, June 18 at 9 a.m., between Route K and Hilltop Way, so crews can begin work turning the road into a one-way road.  Drivers can detour around the closure by taking southbound Route K to Sonderen.  The outer road will reopen in early August as a one-way, westbound outer road. 

The closure is part of the I-70 and Route K Traffic Flow Improvement project being done with the City of O’Fallon.  The project will also add a new one-way, westbound south outer road, as well as make improvements to the Route K and I-70 interchange. 

For more information on the project, go to