There will be a full closure of the westbound lanes of Interstate 55/70 under Interstate 255 near Collinsville beginning Friday night, weather permitting.
The westbound lanes will close at 9 p.m. in order to paint two bridges. The interstate is expected to reopen by 5 a.m. Monday, September 25.
IDOT has offered the following detours: A posted detour will direct westbound Interstate 55/70 traffic to take southbound Interstate 255 to westbound Interstate 64 to westbound Interstate 55/70. Another posted detour will direct Illinois 157 traffic to take Collinsville Road west to southbound Interstate 255 to westbound Interstate 64 to westbound Interstate 55/70. The ramps from westbound Interstate 55/70 to Interstate 255 will remain open at all times.