I-380 southbound: Entrance ramp closed.

At Entrance ramp from 250th Street. The entrance ramp is closed due to road construction work. A detour is in operation. Follow the Iowa DOT-recommended detour around the closure. See map for detour(s) . Until September 30, 2026 at about 6:00AM CDT. Full schedule below: • July 28, 7:00AM - September 30, 6:00AM Comment: Cedar Rapids RCE (877-226-8110) - Johnson County