Interstate 255 in St. Clair and Monroe counties will be restricted from three lanes to one lane during the hours of 6 a.m. and 6 p.m. this Saturday, Oct. 15.

Then, beginning Monday, Oct. 17, I-255 will again be restricted to one lane in each direction, but during the overnight hours of 6 p.m. to 6 a.m.

Restrictions will be from Collinsville Road in St. Clair County to the Jefferson Barracks Bridge in Monroe County.

This work is expected to be completed in mid-November.

For more information, visit stl-traffic.org or follow IDOT District 8 updates on Twitter at twitter.com/IDOTDistrict8.

The supervising field engineer for the project is Joe Gassaway. He can be reached at 618-346-3354.