In September 1997, tunnelling crews started constructing a two-lane vehicular toll tunnel under Addison Airport.
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In September 1997, tunnelling crews started constructing a two-lane vehicular... -
Addison Airport tunnel was excavated to a horseshoe configuration 40ft-wide... -
Zachry's team completed the project using specialised tunnelling equipment in... -
Addison Airport tunnel has six-lane toll plaza.
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