Traffic Advisories | 511 Contra Costa

Traffic Advisories

Calculate Your Commute’s Carbon

See the impact of your commute. Use our carbon calculator to estimate how much CO2 your commute produces in a year. See how your carbon output changes by commuting to work 4 days instead of 5 or switching to a more fuel-efficient vehicle.

Get Real-Time Traffic Updates

Bay Area HOV Lanes & Express Lanes

HOV Lanes – blue  •  Express Lanes – red

Traffic Advisory News