December 18, 2012 12:02 am Maintenance Delays on Bay Area Roads NBC Bay Area’s Investigative Unit reports on the time in takes for Caltrans to repair potholes in the Bay Area. One pothole on Highway 4 in Pittsburg damanged 25 cars in one day. US & World Videos 3:45 Rob's Forecast: Frosty valleys, gusty mountain wind 2:56 Bay Area republicans flock to Washington D.C. ahead of Trump inauguration 2:23 Waymo robotaxi rear-ended in fatal multi-car collision in San Francisco 0:48 Bills beat Ravens in divisional-round thriller, to face Chiefs in championship 2:06 Bay Area residents rally in SF ahead of President-elect Trump's inauguration