TRAVEL ALERT: US 550 closed Sat 5/24, 7:30am-1:30pm between Purgatory & Silverton for bicycle race. via CDOT 
US 550 Closure – Saturday, May 24
US 550 will be closed between Purgatory Ski Resort and Silverton from 7:30 a.m. to 1:30 p.m. for the Iron Horse Bicycle Classic.
If you are traveling south from Silverton to Durango on Saturday morning, plan to leave Silverton by 6:30 a.m. to pass Purgatory before the road closes at 7:30 a.m.
Use alternate routes if traveling during the closure window.
Iron Horse Bicycle Classic – Traffic Impacts on Saturday, May 24
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US 550 closes between Purgatory and Silverton from 7:30 a.m. to 1:30 p.m.
If heading to Silverton, leave Durango by 6:45 a.m. to pass Purgatory before the closure. Purgatory is about 25 miles north of Durango (35–45 minute drive). -
During the race: Southbound traffic between Hermosa and Durango will detour via County Road 203 and Animas View Drive. Northbound traffic to Purgatory will remain on US 550 with traffic control and signage.
- Expect delays: Up to 20 minutes at Deer Creek (MP 59.3) due to ongoing rockfall mitigation.
- Brief delays in Durango on North Main Avenue as 600 cyclists depart at 7:15 a.m., followed by 2,000 more at 8:00 a.m.
https://www.codot.gov/news/2025/may/us550-full-closure-begins-may24-purgatory-silverton
Instructions:
Drive carefully and watch for cyclists all weekend.
https://www.codot.gov/news/2025/may/us550-full-closure-begins-may24-purgatory-silverton
Address/Location
San Juan County OEM
1557 Greene St
Silverton, CO 81433
Contact
Emergency: 9-1-1
Non-emergencies: 970-387-5531
TEXT-A-TIP - Text TIP SILVERTON followed by your message, to 888777
Alert Details
- Severity:
- Minor - Minimal to no known threat to life or property
- Urgency:
- Future - Responsive action SHOULD be taken in the near future
- Certainty:
- Observed - Determined to have occurred or to be ongoing
- Category:
- Public and private transportation
- Event:
- Road Closure