FESTUS, Mo. (Nov. 6, 2025) — The Missouri Department of Transportation will close the entrance ramp from Route A to northbound Interstate 55 this weekend as part of ongoing corridor upgrades in Festus.

The ramp closure will begin at 9 p.m. Friday, Nov. 7, and is expected to reopen by 6 a.m. Sunday, Nov. 9. Crews will install a drainage pipe beneath the ramp during the closure.

A signed detour will direct drivers on Route A to use U.S. 61/67 to access northbound I-55. The work is part of the Interstate 55 Corridor Upgrades in Jefferson County project.

For details on project status and upcoming detours, visit the I-55 Corridor Improvement project website. Motorists can also check the latest traffic conditions on MoDOT’s Traveler Information Map at traveler.modot.org/map.

Twin City News Weekly Newsletter

author avatar
Paul Barnard Editor
Paul Barnard is the editor of the Twin City News. Barnard Graduated from Norwich University, America's oldest private military college, with a B.S. in Communications and Media Technology. There he studied journalism and marketing. For years after, Barnard was in law enforcement and gained experience in the Special Investigations Unit and publishing all the department's press releases. As Barnard's family grew, he moved on to start Twin City News.