Expect overnight lane closures across the St. Louis metro area from March 26 through April 1, 2026, as MoDOT crews continue major highway work. Construction on I‑70 between Wentzville Parkway and the Norfolk Southern Railroad bridge begins overnight March 30, running 9 p.m.–5:30 a.m. each night. Temporary barrier walls and 11‑foot lanes will be in place in both directions.
Other ongoing closures include sections of I‑55, I‑64, I‑270, and routes 30, 100, 340, 366, AB, N, Z, and 67 in St. Louis City, St. Louis County, St. Charles County, Jefferson County, and Franklin County. Some ramps and bridges remain closed through early 2026…