San Jose, CA Traffic and Road Conditions
San Jose Traffic Map
How to use the San Jose Traffic Map
Traffic flow lines: Red lines = Heavy traffic flow, Yellow/Orange lines = Medium flow and Green = normal traffic. Black lines or No traffic flow lines could indicate a closed road, but in most cases it means that either there is not enough vehicle flow to register or traffic isn't monitored. Also, If you do not see traffic flow, you can zoom in closer to reveal localized data. If you are unable to pan the map, press here (to focus off of the map) and try again.
Traffic Incidents (beta): Each dot represents a traffic event or incident such as road construction, closure or accident. At closer zoom levels, those dots can be pressed to see more info. Once a layer of traffic info has popped-up, be sure to press/click any additional arrows (e.g. 1 of 3) in the top right above the title to see other the details of the impact.
Impact Legend: 
Critical 
Major 
Minor 
Low
Traffic Alert
- Click or touch the map to move in different directions.
- If you do not see any markers on the map, try zooming in one or two levels using "+" on the top left side. However, they are not always available.
- Click an incident icon on the map to get more information.
San Jose Traffic Alerts
Caltrans District 4 on Twitter
RT @CaltransDist3: The weekend storm has arrived in the Sierra and I-80 chain controls are up! R-2 EB Kingvale to Donner Lake Interchange,…
511 SF Bay on Twitter
UPDATE: Residual Delays on Westbound I-580 East of Strobridge Ave in Castro Valley. All Lanes Open.
Traffic Collision With Injuries on Westbound I-580 East of Strobridge Ave in Castro Valley. Left Lanes Blocked. https://t.co/ITRwoLsl4h
BART Trains Expect up to a 20 Minute Delay Between East Bay and San Francisco Stations in Both Directions Due to Sc… https://t.co/tx3heR6DOq
BART Trains Expect up to a 20 Minute Delay Between Hayward and Union City in the Warm Springs and Richmond Directio… https://t.co/9kUYpmC1fg
UPDATE: Residual Delays on Southbound US-101 at Shiloh Rd in Windsor. All Lanes Open.
ONGOING: Overturned Tractor Trailer on Southbound US-101 at Shiloh Rd in Windsor. Right and Center Lanes Closed. https://t.co/ITRwoLsl4h
UPDATE: BART 10 Minute Delays on the San Francisco line in the East Bay Direction, Due to Earlier Police Activity. https://t.co/ITRwoLsl4h
UPDATE: BART 20 Minute Delays on the San Francisco line in the East Bay Direction, Due to Earlier Police Activity. https://t.co/ITRwoLsl4h
BART 20 Minute Delays on the San Francisco line in the East Bay Direction, Due to Police Activity. https://t.co/ITRwoLsl4h
Overturned Tractor Trailer on Southbound US-101 at Shiloh Rd in Windsor. Right and Center Lanes Closed. https://t.co/ITRwoLsl4h
CA DOT | Caltrans QuickMap | CHP Traffic Full Site | CHP Traffic Mobile Site
Currently
 |
55°F |
29.68in
Barometer 77%
Humidity South 5.8mph Wind |
| Overcast | ||
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