RoadworksSevere
US 18 in both directions: Entrance ramp closed.
US 18 in both directions: At Ramp from IA 76 in Marquette.
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At Ramp from IA 76 in Marquette. 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 October 8, 2026 at about 6:00PM CDT. Comment: New Hampton RCE (800-373-7343) - Clayton County **Ramps closed weekly - Monday at 10AM to Thursday at 6PM**
ReportedAugust 24, 2026 at 08:00 AM PDTOctober 8, 2026 at 04:00 PM PDT
Road
US 18
Source
Iowa DOT
Coordinates
43.04316, -91.17946
Roadworks details
Direction
BOTH_DIRECTIONS