SAN FRANCISCO (KGO) -- Starting January 1, BART will require proof of payment inside the paid area of stations and on-board trains.
Passengers should be prepared to show either a magnetic strip ticket or Clipper card with valid fare.
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There will be a one-month grace period when violators will be warned instead of cited.
There will be a $75 fine for adults and $55 for minors. Community service options will also be available.
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