A map of traffic congestion by metropolitan area. By Nick McClellan . Find my location. If you thought partisan gridlock was the only thing to worry about in the nation's capital, ...

The Metropolitan Transportation Commission and Waze announced a data-sharing partnership intended in part to provide drivers with better real-time traffic and road-condition information.

A new study by the San Francisco County Transportation Authority found that ride-share companies, or what transportation officials dubbed “Transportation Network Companies” (TNCs) caused 50 ...

According to Google Maps data for President’s Day, the time it takes to travel between Tahoe and San Francisco doesn’t waver too much, taking 3.5 to 4 hours to make the trip.

Congestion — defined as traffic flowing below 35 miles per hour on the city’s freeways — increased from 3.8 percent of the time in 2010 to 5.7 percent in 2015.

Assembly Bill 645 authorized speed cameras in six California cities: San Francisco, San Jose, Oakland, Los Angeles, Long ...

After a month of congestion on the southern end of San Francisco International Airport, a new parking lot has been opened in hopes of ending the gridlock. Latest U.S.

Interstate 80, westbound, all day in Alameda, Contra Costa & San Francisco counties: SR-4 to Fremont Street U.S. Route 101, southbound, p.m. in Santa Clara County: Shoreline Boulevard to Oakland Road ...