Vehicles are owned and maintained by Transit Joint Powers Authority of Merced County with daily operations conducted by a private contractor, Transdev as of May 2020.

Situated at the same location, the California Welcome Center carries souvenirs, maps, and brochures for visitors, as well as YARTS bus tickets.

The agency began the greening of their fleet in 2006 with the purchase of 9 "clean air" Orion VII models and planned the construction of a compressed natural gas fueling facility.

The first set of five 40' New Flyer XE40 battery electric buses arrived in late June 2023 and began service in early November 2023, and the second wave of four Gillig battery electric buses (1 35' and 3 40') arrived in late September 2024 and began service in December 2024.

However, the unincorporated community of Hilmar-Irwin which has a combined population of over 5,000 does not to have any of The Bus services, even though it is located within Merced County, along with the town of Snelling.