Nightime construction work shuts Hwy. 101, Petaluma roadsCaltrans changed their planned closures of Petaluma Blvd. S at Hwy. 101 to include tonight and Thursday night. Multi-car crash slows Hwy. 101 traffic in Petaluma Southbound I-280 closed through part of San Francisco Frustration mounts over Hwy. 12 safety delays Building a better bridge in Petaluma Hwy. 101 to close at Airport Blvd. Saturday Hwy. 29 lane re-opened after car hits pole Hwy. 101, ramps to close at Airport Blvd. Hwy. 101 construction to disrupt Airport Boulevard traffic Guerneville Road to shut for track work The west Santa Rosa road will be closed through the weekend. Rehab work to close Memorial Bridge in June The bridge will be closed weekdays for two weeks as preliminary work begins to rehab the expanse.