2018 Detours & Road Closures 

Use this map to zoom to your neighborhood. If there is a highlighted area around your neighborhood click on the map in your neighborhood to get specific detour information.

Downtown Santa Rosa Impacts

Race Week: Sunday July 22 through Sunday July 29:

IRONMAN Village will be under construction in and near Courthouse Square beginning on Sunday, July 22. Street closures in the downtown area will be as follows:

  • Courthouse Square West Road:  Closed from Monday 7/23 at 8:00 AM to Monday 7/30 at 5:00 PM
  • Courthouse Square East Road:  Closed from Wednesday 7/25 at 8:00 AM to Monday 7/30 at 8:00 AM
  • Third Street:  Closed from B St. to D St. in both directions: Thursday 7/26 at 9:30 AM to Sunday 7/29 at 8:00 AM
  • Fourth Street:  Closed from B St. to D St. in both directions: Friday 7/27 at 9:00 AM to Sunday 7/29 at 8:00 AM

 
Race Day: Saturday July 28 from 11:00 AM to 6:00 PM:

  • General Rule: Access downtown Santa Rosa from the north or east for easiest access.
  • West 9th Street eastbound CLOSED from Donahue Street to A Street
  • 7th Street CLOSED from A Street to B Street
  • B Street CLOSED from 5th Street to 3rd Street

Race Day: Saturday July 28 from 11:00 AM to 12:00 AM:

  • General Rule: Access downtown Santa Rosa from the north or east for easiest access.
  • D Street CLOSED from Sonoma Ave to 4th Street in both directions
  • 1st Street CLOSED from Santa Rosa Ave to D Street in both directions
  • Santa Rosa Ave CLOSED from Sonoma Ave to 3rd Street in both directions