U.S. Highway 550 north of Durango will experience partial lane closures and a full closure of Coal Bank and Molas passes Saturday during the Iron Horse Bicycle Classic.
U.S. Highway 550 north of Durango will experience partial lane closures and a full closure of Coal Bank and Molas passes Saturday during the Iron Horse Bicycle Classic.Durango Herald file

Drivers are urged to leave Durango early if traveling to Silverton or points beyond.

Travelers heading south (from Ouray, Ridgway or Montrose) on Highway 550 should be aware the highway will be closed at Silverton. Drivers will not be permitted to continue southbound beyond Silverton after 8:30 a.m.

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IHBC Road Race map
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Starting at 7:30 a.m., rolling closures will be in place to accommodate three event start times in downtown Durango. Drivers will experience brief delays along the northbound lanes of Highway 550/Camino del Rio and Main Avenue from College Drive, north through the town.

Drivers are reminded and urged to watch for cyclists and drive safely for this event and other special events that may be taking place over the busy holiday weekend.

IHBC Road Race map (PDF)