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Page:1968 tomorrows transportation new systems for the urban future.pdf/82

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The dual mode vehicle system could operate on the same network of lines used by personal rapid transit. I'ehicles would drive from the streets onto the guideways at selected PRT stations. on a street to travel on an automated network. It thus could serve as a logical extension or elaboration of personal rapid transit. Dual mode personal vehicle systems would give the same service for persons who did not own or know how to drive an automobile as would the personal rapid transit system. They would use public vehicles on the automatic guideways, and would walk or transfer to other systems for local trips. How- ever, the guideways also would be accessible to privately owned or leased vehicles which could be routed on and off ramps con- necting with ordinary streets, and driven over the streets to the driver's destination just as in the case of an automobile. At the point of destination, the vehicles could be parked as they are today or, if they were leased for the trip, they could be turned in at local connection points for redistribution to other users. This last method has the advantage of minimizing parking problems in congested areas. A dual mode system presents more technical development problems than the personal transit system. However, it should be possible to work on such problems simultaneously with the development of personal transit, and to so design personal transit systems for ultimate dual mode use. The earliest developmental problems will be in the adaptation of propulsion, suspension, and guidance systemis for use on both automatic guideways and66