Originally, tolls were collected in both directions. The original toll booth was designed by Gilbert, who also designed a classical-style maintenance booth, neither of which is extant. In August 1970, the toll was abolished for westbound drivers, and at the same time, eastbound drivers saw their tolls doubled. The tolls of eleven other New York–New Jersey and Hudson River crossings along a stretch, from the Outerbridge Crossing in the south to the Rip Van Winkle Bridge in the north, were also changed to south- or eastbound-only at that time. E-ZPass was accepted for toll payment on the George Washington Bridge starting in July 1997. Soon afterward, the Port Authority proposed removing the tollbooths for the E-ZPass lanes on the lower level and Palisades Parkway toll plazas, replacing them with electronic toll collection gantries to allow motorists to maintain highway speeds.