
OAKLAND, CA - OCTOBER 21: Traffic backs up on Interstate 80 at the San Francisco-Oakland Bay Bridge as the Bay Area Rapid Transit (BART) strike snarls the Monday morning commute on October 21, 2013 in Oakland, California. BART workers continue to strike after contract negotiations between BART management and the transit agency's two largest unions fell apart last week. Management and unions agreed on the financial specifics of the contract but differed on workplace safety rules. An estimated 400,000 commuters ride BART each day. (Photo by Justin Sullivan/Getty Images)OAKLAND, CA - OCTOBER 21: Traffic backs up on Interstate 80 at the San Francisco-Oakland Bay Bridge as the Bay Area Rapid Transit (BART) strike snarls the Monday morning commute on October 21, 2013 in Oakland California. (Photo by Justin Sullivan/Getty Images)
OAKLAND (KCBS) — Thousands of electronic road sensors buried by Caltrans under California highways are not functioning, making it problematic for traffic-information gathering.
There are 27,000 traffic sensors buried under thousands of miles of pavement that help troubleshoot both daily commutes and long-term maintenance needs on some of the nation’s most heavily used and congested roadways.
READ MORE: 'The Father Is A Hero'; Oakland Man, 1-Year-Old Daughter Die In Horrific Arson FireAccording to Caltrans, about 9,000 of them no longer work.