New Year’s Eve revelers in San Mateo County will have the chance to rely on SamTrans as their designated driver — free of charge.

Starting at 8 p.m. Tuesday and lasting until 5 a.m. Wednesday, SamTrans will allow passengers to ride for free on all bus lines.

RediWheels, the San Mateo County Transit District’s paratransit service provider, also will offer free rides between 8 p.m. and midnight, when the service closes.

On the day of New Year’s Eve, SamTrans will operate on a regular, nonschool-day service. On New Year’s Day, the transit system will operate on a Sunday schedule.

For more information about fares and schedules, call SamTrans customer service at (800) 660-4287 or visit www.samtrans.com.