RoadworksModerate
US 18 in both directions: Road construction.
US 18 in both directions: Between County Road S36 and County Road S56.
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Between County Road S36 (1 mile west of the Mason City area) and County Road S56 (1 mile west of the Portland area). Road construction work is in progress. A lane is closed intermittently. Until October 30, 2026 at about 4:00PM CDT. Full schedule below: • October 12, 8:00AM - October 30, 4:00PM Comment: Mason City RCE (800-373-7344) - Cerro Gordo County
ReportedOctober 12, 2026 at 06:00 AM PDTOctober 30, 2026 at 02:00 PM PDT
Road
US 18
Source
Iowa DOT
Coordinates
43.10526, -93.25343
Roadworks details
Direction
BOTH_DIRECTIONS