South Hills Junction

South Hills Junction is the most complex trackage area on the "T," and indeed is one of the most intriguing junctions on any of the country's light rail systems.  Routes merge and diverge both to the north and to the south of the station; this view shows a portion of the involved trackwork to the north. 

Despite all the possibilities, the great majority of trains operate on the upper and lower left legs.  The train in view has just left the inbound station from which this photo was taken, and will shortly be in the Mt. Washington tunnel.  The busway, which will join up for tunnel access, is visible to the left.

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