B.A.R.T (Bay Area Rapid Transit) [http://en.wikipedia.org/wiki/BART] is the Bay Area's subway system. Pittsburg has it's own station which can be accessed from San Francisco/Daly City, and Oakland with a direct connection from San Francisco International Airport. The MacArthur station in Oakland is used as a transfer station to reach Pittsburg. Those coming from all points west of MacArthur station and wish to proceed east to Rockridge and beyond to Pittsburg must transfer at MacArthur and follow the electronic marquee. Taxis can be taken from BART stations to any destination within the given city limits. Yellow Cab has a dominant presence in the Bay Area and the BART stations.
Tri_Delta Transit [http://www.trideltatransit.com/] is the public transit system of Pittsburg and through out East Contra Costa County. The bus has connections to shopping centers, downtown, malls and other points of interest.
The main east-west thoroughfare in Pittsburg is Leland Road which goes from Bay Point and the Pittsburg/Bay Point BART Station to Antioch where it becomes Delta Fair Boulevard. The minor east-west connections are Buchanan Road, 10th Street, E. 14th Street/Pittsburg-Antioch Highway, North Parkside Drive/Willow Pass Road and Power Avenue.
The main north-south thoroughfare in Pittsburg is Railroad Avenue which begins in Old Town (downtown) Pittsburg and becomes Lirler Pass Road uptown when crossing over Buchanan Road. The minor north-south connections are Bailey Road which goes into Concord, CA., on the south and ends in Bay Point on the north, Harbor Street, Loveridge Road, Crestview Drive and Somersville Road, whihc only a piece of it is part of Pittsburg, the remainder being in Antioch, CA.
The intersection of W. Leland Road and Railroad Avenue is considered the major intersection of Pittsburg.