Detours & Road Closures

Detours


  • Coming from north of W 3rd St, use W College or Guerneville Rd to Hwy 101 
  • Coming from south of W 3rd St, use Hwy 12 to Hwy 101 
  • Coming from east of Petaluma Hill Rd, go north to SR Ave to Bennett Valley Rd to Hwy 12 or to S E St 
  • Coming from west of Petaluma Hill Rd, use SR Ave to Hwy 101 
  • Athletes will be cycling in the center lane of Petaluma Hill Rd. No traffic will be allowed to cross Petaluma Hill Rd to make left turns
  • Use Hwy 101/Downtown exit for SR Plaza – Use Morgan St to either the 5th St or 6th St entrance 
  • Coming from east of E St, use College to Hwy 101 or Hwy 12 to Hwy 101 
  • Expect delays on Hwy 12 west of Fulton Rd 

Road Closures



Overall closures Saturday, July 29, 2017, 8am-6pm
Varying downtown closures Thursday, July 27, 2017, 4pm to Sunday, July 30, 2017, 12pm

Closures for Race Day, July 29, 2017 - 8am-6pm

Note: Residents and businesses will always be allowed to exit their properties in either, safe direction. Consult a traffic control officer if you have questions.

  • W. 3rd Street Eastbound between Fulton Road & Dutton Ave
  • The eastbound fast lane along W. 3rd will be CLOSED to all vehicle traffic. NO TRAFFIC will be permitted to cross athletes between Fulton Road and Dutton Ave. All residential traffic on the south side of W. 3rd will be permitted to exit and turn right (east) ONLY. All residents on the north side of W. 3rd will be permitted to turn right (west) ONLY. Suggested detours are College Ave. for residents north of the athletes, and HWY 12 for residents south of the athletes.
  • W. 9th Street Eastbound CLOSED between Dutton Ave & A Street
  • 7th Street CLOSED from A Street to B Street
  • A Street CLOSED from 1st Street to Maple
  • B Street CLOSED from 5th Street to 1st Street
  • D Street CLOSED from A Street to Sonoma Ave
  • Pierson Street at Santa Rosa Creek Trail Closed from 9 AM to 12 AM Sunday
  • 1st Street CLOSED from A to Sonoma Avenue
  • Santa Rosa Avenue CLOSED from 3rd to Sonoma Avenue
  • 1 Northbound lane adjacent to Creek Trail on Fulton Road & Stony Point Road will be CLOSED 

Closures for Race Week

 

  • 3rd Street CLOSED from B Street to D Street :
    • CLOSED Both Directions: Thursday 8 PM to Sunday 8 AM
    • CLOSED Both Directions from Morgan Street to B Street: Saturday 8 AM to 5 PM
  • 4th Street Closed from B Street to D Street
    • CLOSED Both Directions: Friday 8 AM to Sunday 8 AM
    • CLOSED from Mendocino West 200 Feet: Thursday 12 PM to Sunday 8 AM

Ride Santa Rosa CityBus for FREE on Saturday

IRONMAN Santa Rosa Detour & Closure Map

Traffic Impacts for Unincorporated Sonoma County


Dry Creek RoadNorthbound Dry Creek Road from Dutcher Creek to Lake Sonoma
Closure Window: 7 AM to 9:45 AM
Dutcher Creek RoadNorthbound Dutcher Creek Road – Closed at Dry Creek Road;
local traffic along Dutcher Creek allowed in both directions
Closure Window: 7:10 AM AM to 10 AM
Detour: Use Canyon Road
Asti RoadSouthbound Asti Road (and Geyserville Road) – Closed at Santana Road to Canyon Road
Closure Window: 7:45 AM to 10:30 AM
Detour: Use HWY 101 South
Chianti RoadBoth directions from Zanzi Road to Turn Around
Closure Window: 7:45 AM to 10:30 AM
Detour: Use HWY 101 South
Lytton Springs RoadLytton Springs Road – Closed at Fredson in the westbound direction to Dry Creek Road
Closure Window: 8:30 AM to 10:30 AM
Athletes on Lytton Springs Road until 11:45 AM
Detour: Use Canyon Road
Kinley RoadSouthbound Kinley Road – Closed from Dry Creek Road to Westside Road
Closure Window: 8:45 AM to 12 PM
Detour: Use HWY 101 South
Westside RoadSouthbound Westside Road – Closed at Mill Creek Road;
local traffic allowed in both directions as needed.Closure Window: 9 AM to 10:30 AM
Athletes on Westside Road until 12:40 PM
Detour: Use Eastside Road to Wohler Road to Westside Road northbound
Mark West Station RoadClosed in both directions from Trenton Healdsburg Road to Slusser Road
Closure Window: 9:30 AM to 1:15 PM
Petaluma Hill RoadSouthbound Petaluma Hill Road – Closed from Kawana Springs Road to Snyder Lane
Closure Window: 10:00 AM to 4:00 PM
Detour: Use HWY 101 South or Santa Rosa Ave South
Mountain View AvenueWestbound Mountain View Avenue – Closed from Snyder Lane to Santa Rosa Avenue
Closure Window: 10:15 to 4:15 PM
Detour: Use Hunter Lane to Horn Ave or Golf Course Drive
HWY 101 Southbound
On-Ramp/ Overpass
Southbound overpass closed from Santa Rosa Ave to Golf Course Drive
Closure Window: 8 AM to 5 PM
Detour: Use Santa Rosa Avenue south to Roberts Lake Drive to Golf Course Drive
Llano RoadNorthbound Lanno Road – Closed from Todd Road to HWY 12
Closure Window: 10:45 AM to 5 PM
Detour: Use Stony Point Road or Gravenstein HWY to access HWY 12
Wohler RoadEastbound Wohler Road – Closed at Westside Road
Closure Window: 9 AM to 1 PM
Detour: Use River Road to Wohler Road to Westside Road northbound
HWY 101 Exit 484A
Golf Course/Wilfred Drive
Closed for Southbound HWY 101 wanting to exit HWY 101 Southbound for Golf Course Drive
Closure Window: 8 AM to 5 PM
Detour: Use Rohnert Park Expressway Exit