Articulated vehicle

In a broader sense, any vehicle towing a trailer (including a semi-trailer) could be described as articulated (which comes from the Latin word articulus, "small joint").

One of the first examples of articulated railway carriages were used by the London & North Eastern Railway (LNER) in Great Britain on its London Suburban Trains in the mid-1920s; this rolling stock was designed by Nigel Gresley and built at the LNER's Doncaster Works.

The articulated design allows passengers (and fare inspectors) to move the entire length of the vehicle, whether stopped or in motion.

Some military vehicles, including the United States Armed Forces' M561 Gama Goat and the Swedish Bandvagn 206 were engineered with an articulated body for rough terrain capability.

These units stay combined under virtually any sea conditions and the "tugs" usually have poor sea-keeping designs for navigation without their "barges" attached.

The typical American ATB operating on the east coast, per custom, displays navigational lights of a towing vessel pushing ahead, as described in the '72 COLREGS.