County Connection Share: Bus Service - PublicTransportationTransportation - Public County Connection Visit Website Request Info 2477 Arnold Industrial Way Concord, CA 94520-5327 (925) 676-1976 (925) 686-2630 (fax) About Map About The County Connection provides bus services to 7 BART stations, Amtrak, and many schools, shopping, business and medical centers in central Contra Costa County, ensuring accessibility to all its residents. What's Nearby? Distance: 5 10 15 20 25 50 mi.