Through its involvement with numerous airport transportation engineering projects, DeShazo, Tang & Associates, Inc. was awarded the opportunity to work with Freese and Nichols, Inc. as a subconsultant to improve the efficiency of parking fee collection and thereby increase overall transportation levels of service. The DFW International Airport Board approved an electronic fee (EPASS) collection system (the first phase now known as "pass key") to provide an exclusive lane and additional shared lanes through which vehicles equipped with transponders would enter the airport. These transponders utilize radio frequency identification to automatically charge a prepaid account the appropriate parking fees. Several design parameters -- such as the use of gated lanes and the attendant equipment requirements -- presented a unique challenge. DT&A provided a design concept that not only addressed the initial goals, but also issues of vehicle queuing, traffic control, and pavement markings. This design plan was approved and is currently being implemented.

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