AATT meaning in Governmental ?

Answer:

What is Addison Airport Toll Tunnel mean?

The Addison Airport Toll Tunnel, also known as the Addison Airport Tunnel and the Addison Toll Tunnel, is part of the North Texas Tollway Authority (NTTA) system and extends Keller Springs Road under the Addison Airport property.

Built for the NTTA, this toll tunnel enables vehicular traffic to travel under rather than around the airport, which expands traffic capacity and eases the notorious congestion of north Dallas and Addison by providing an east–west route between the Dallas North Tollway and Interstate 35E under the Addison Airport runway. It provides motorists a through passage on Keller Springs Road, which once ended on either side of Addison Airport, as an alternate route to the heavily traveled Belt Line Road and Trinity Mills Road.

The lanes of the Addison Airport Toll Tunnel toll plaza are equipped for electronic toll collection via TollTag. As of July 2019, the toll charged on the Addison Airport Toll Tunnel is US$0.66 for a two-axle vehicle with TollTag.

reference

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