California · I-80
Official California road events, lane closures, weather conditions and construction updates.
Live work-zone map
Tap a marker to inspect the official Caltrans CWWP2 work-zone record.
Traffic incidents & roadwork
Caltrans CWWP2 incidents, construction and planned closures.
Official data
📡 Data sourceLive
California official road information
Caltrans cameras, lane closures, electronic signs, chain controls and roadside weather observations.
Caltrans video and image availability varies by district. Only current travel times are displayed.
I-80 California Sierra Nevada snow and chain controls
California I-80 climbs the Sierra Nevada where winter storms can cause major delays, chain controls and closures. Caltrans CWWP2 provides camera, work-zone and chain-control records in supported districts. Conditions change rapidly near mountain passes; follow current Caltrans notices and chain-control requirements.
Truck driver snow and wind radar · I-80 winter route guide · DOT highway cameras · All Live Roads
This page aggregates available third-party DOT/511 data. It is not an official closure confirmation. Road signs, state 511 notices and carrier safety rules take precedence.