Residents fed up with SMART train horn tests in North Bay

SAN RAFAEL, Calif. (KGO) -- Some residents in the North Bay are longing for the sound of silence. For many weeks, a new commuter rail line for Sonoma-Marin Area Rail Transit has been testing trains on the tracks and testing out the horns as well. Now the loud sound is also testing residents' patience. Watch the video player above for Cornell Barnard's full report.
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