A Metro Gold Line train crosses the Los Angeles River near downtown Los Angeles in an April 2010 file photo.
A Metro Gold Line train crosses the Los Angeles River near downtown Los Angeles in an April 2010 file photo. Luis Sinco Los Angeles Times file
A Metro Gold Line train crosses the Los Angeles River near downtown Los Angeles in an April 2010 file photo. Luis Sinco Los Angeles Times file

Is L.A.’s ‘Brain Train’ smarter than the Caltrain? Discuss.

July 15, 2017 05:00 AM

UPDATED July 15, 2017 10:17 PM

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