Marin County Supervisor Eric Lucan, who serves on the Marin Transit board, said he likes the idea of the cash drop-box. “I think sometimes a lower tech option is the right one,” Lucan said.

A gradual switch to the new cash fare drop box could give Marin Transit about a year after the Clipper 2.0 rollout “to do a big push on Clipper and see what kind of uptake we have,” Sullivan said.