One Tank Trips: Exploring Pennsylvania's railroad legacyIn this edition of One Tank Trips, we're diving into the rich history of the railroad - right here in Pennsylvania. In this edition of One Tank Trips, we're diving into the rich history of the railroad - right here in Pennsylvania. In this edition of One Tank Trips, we're diving into the rich history of the railroad - right here in Pennsylvania. In this edition of One Tank Trips, we're diving into the rich history of the railroad - right here in Pennsylvania. HAMBURG, Pa. (WPVI) -- In this edition of One Tank Trips, we're diving into the rich history of the railroad - right here in Pennsylvania.