A Bay Area Rapid Transit System train zips along an elevated section of tracks in Oakland, Calif., Sept. 9, 1972, during a test run, in preparation for the September 11 opening of the first section of BART. Only the 28-mile Oakland-to-Fremont stretch opens on September 11, but BART spokesmen say the whole system should be in operation by next summer. (AP Photo/Sal Veder)

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