In The Central California Area
1-way controlled traffic 7.8 mi south of the Jct of SR 128 (Napa Co) 24 hrs a day 7 days a week - Due to slipouts
Highway SR-121 Traffic & Road Conditions in California
Real-time Traffic Cameras
Traffic Cameras CHP Traffic Incidents, Accidents & Traffic Alerts on SR-121
No reported CHP Traffic incidents for this route.
CalTrans Road Conditions SR-121
View Road Conditions
SR-121 Major Junctions (3)
CalTrans Message Signs for SR-121 (0) - See All
Real-time highway message signs with travel times, travel, wind, fog and chain controls alerts and accident conditions.
CalTrans Lane & Road Closures on Highway SR-121 How does freeway lane numbering work?
No active reported lane closures found.
What's Happening
List of the top 15 routes with the most CHP incidents today.