Agencies historically have used automatic barrier gates from several suppliers offering machines with differing gate arm speeds and reliabilities and used in both toll plaza and parking applications. Magnetek, a German manufacturer, has gained a majority share of the toll industry’s barrier gate market primarily because of superior performance in gate speed and reliability. Their high reliability is the result of minimizing the number of moveable parts comprising the gate assembly. Vehicle detection equipment is invariably used in conjunction with the automatic barrier gate to prevent the gate arm from lowering when a vehicle is present.
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