California Code, Public Utilities Code - PUC § 132651

(a) “Authority” means the Tri-Valley-San Joaquin Valley Regional Rail Authority created under this chapter.

(b) “Bay Area Rapid Transit” (BART) means the Bay Area Rapid Transit District.

(c) “Board” means the governing board of the authority.

(d) “Connectivity” means one or more projects necessary to achieve transit connectivity between BART's rapid transit system and the San Joaquin Regional Rail Commission's Altamont Corridor Express commuter rail service, and to provide quality, seamless service to riders using the services operating between the Tri-Valley and the San Joaquin Valley.

(e) “Tri-Valley” means the Cities of Danville, Dublin, Livermore, Pleasanton, and San Ramon.