CHULA VISTA, Calif. (KGTV) — Dozens of commuters in Chula Vista sat and waited for their bus to arrive. “There’s been a lot of delays,” said commuter Amadeo Elaas. Some buses came 30 minutes late.

On Sept. 19, the University of Massachusetts announced in an Instagram post that Pioneer Valley Transit bus routes 34 and 33 would be experiencing major service modifications due to a lack of drivers ...