Complex sentence: The station's main ones are at the south end of the platform, each contain banks of regular and HEET turnstiles, a token booth, and a single staircase going up to Spring Street and Sixth Avenue.
Split into simpler sentences: The station's main ones are at the south end of the platform. Each contain banks of regular and HEET turnstiles, a token booth, and a single staircase going up to Spring Street and Sixth Avenue.