Absorbed companion journal T&T North America in 2003; from 2003-<2011>, it appeared on inverted pages as a special section of this journal; in <2011> it was again issued separately under the title, Tunnels and tunneling North America
Aug. issue each year has cover title: T and T international. Machinery, plant and equipment review; one issue each year has cover title: T and T international. World profile of contractors and consulting engineers