This guide is designed to keep the public aware of traffic patterns on the roadways around Infineon Raceway during major event weekends (Highway 121 and Highway 37 corridors). These are the days and times when these highway corridors may be impacted. Other raceway events, including track rental events and racing school events, are not expected to impact traffic. It should also be noted that other events unrelated to the raceway may impact traffic at any time.

Please call 800-870-RACE (7223) with any questions:

West Coast Moto Jam - AMA Pro Road Racing, Supermoto USA, TTXGP, AHRMA National Motocross and Flat Track (May 11-15, 2011)
Wednesday, May 11 - Sunday, May 15:  Traffic flow should be close to normal conditions. Raceway events should not impact road conditions.

Sonoma Historic Motorsports Festival
Saturday, June 4 - Sunday, June 5: Traffic flow should be close to normal conditions. Raceway events should not impact road conditions.

Toyota/Save Mart 350 -  NASCAR Sprint Cup Series Weekend (June 24-26, 2011)
Friday, June 24: Between the hours of 11 a.m.-2 p.m. and 5 p.m.-7 p.m.
Saturday, June 25: Between the hours of 8 a.m.-noon and 4 p.m.-6 p.m.
Sunday, June 26: Between the hours of 7 a.m.-noon  and 3 p.m.-7:30 p.m.

FRAM Autolite NHRA Nationals (July 29-31, 2011)
Friday, July 29: Between the hours of 8 p.m.-10 p.m.
Saturday, July 30: Between the hours of 4 p.m.-7 p.m.
Sunday, July 31: Between the hours of 4 p.m.-7 p.m.

Indy Grand Prix of Sonoma County (Aug. 26-28, 2011)
Friday, Aug. 26: Traffic flow should be close to normal conditions. Raceway events should not impact road conditions.
Saturday, Aug. 27: Traffic flow should be close to normal conditions. Raceway events should not impact road conditions.
Sunday, Aug. 28: Between the hours of 10 a.m.-noon and 5 p.m.-8 p.m.

For additional traffic information, visit www.511.org.