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A smiling woman wearing headphones grips a bus handrail and smiles at her smartphone as she rides the bus
Get instant, hands-free traffic and transit information with 511's voice-activated phone line.

511 Phone FAQs

Woman checking her phone while waiting for public transit

Find the answers to frequently asked questions on the 511 Phone service, as well as details on how to use the Transit Departure feature and find Stop IDs.

511 Phone Shortcuts

A man speaking into his phone mic while riding an escalator

Unlock the speed and convenience of 511! Discover the voice shortcuts and key commands that allow you to quickly access the information you need most on 511’s phone service.

person looking at their cell phone
Llame al 511 para obtener información de tráfico y transporte público sin usar las manos y con respuesta por voz.
An aerial map of the San Francisco bay area
The central location for free access to 511’s data for traffic and transit provided through APIs.

511 高速公路协助

A towtruck operator hooks up a disabled red SUV to a towtruck with a 511 Freeway Assist logo on the door
撥打 511 並說「Freeway Assist」，即可獲得免費的路邊協助，例如更換輪胎、電瓶啟動或免費拖離高速公路。
person looking at their cell phone
如何使用此服務：語音命令、捷徑、說明和安全性提示。
San Francisco-Oakland Bay Bridge

Learn more about 511, your free phone and web source for Bay Area traffic, transit, carpool, vanpool, and bicycling information.

About Us

FSP service group of employees

The Bay Area Freeway Service Patrol (FSP) is a congestion management program implemented by the Metropolitan Transportation Commission Service Authority for Freeways and Expressways (MTC SAFE), the California Department of Transportation (Caltrans) and the California Highway Patrol (CHP).