Caltrans Considers Widening Hwy. 101 to Ease Congestion NBC Bay Area » Caltrans officials on Wednesday night made a pitch to Peninsula residents about widening Highway 101 and adding a new bridge across the bay as part of a plan to ease traffic congestion in the region. Michelle2017-12-11T21:30:48-08:00December 7th, 2017|California, Highways|