Turnstiles Offer Fast Access at Panamanian T ransport Hub A committed program of timely maintenance is the reason that 75 waist high turnstiles have been operating successfully for nearly 20 years at the at the Gran Terminal de Transporte de Panamá (Grand National Transport Terminal or GTNT). The Grand National T ransport T erminal is the hub of all land transportation in Panama. The building is over half a mile long, and in 2014 more than 55

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