road train
noun1
Australia, Canada, US A transport conveyance consisting of a conventional prime mover truck pulling two or more trailers.
- Road trains are big rigs made of tractors that pull more than one trailer.[…]They are driven in remote areas of Canada, the United States, and Australia. Australia is home to the largest road trains in the world.[…]It is common for Australian road trains to have up to six trailers attached to a single tractor, with each trailer holding up to 140 tons (127 tonnes) of freight.2007, Adrianna Morganelli, Trucks: Pickups to Big Rigs, page 17:
- Livestock road trains tend to travel in convoys and its^([sic]) best to pull over for a rest and watch them pass.2007, Dick Eussen, Australia′s Savannah Way: Cairns to Broome, page 13:
1 more example
- Where there are two semi-trailers and one motive unit this is called a double bottomed articulated vehicle or road train. Especially in Australia, road trains may consist of more than two trailers. In the UK, serious consideration is being given to their use on motorways.2010, Alan Rushton, Phil Croucher, Peter Baker, The Handbook of Logistics & Distribution Management, page 398:
- Hyponyms
- B-double (A Prime mover Towing a - trailer and a turntable, 5th wheel connected second trailer, Double Roadtrain, Triple Roadtrain, B-Triple (3 trailers, 2x trailers towing a third connected semitrailer, BAB Quad Roadtrain, and connections, ABB Quad Roadtrain, Other configurations B2A, BAA Quad, 2BA, BBA Quad, Quad Roadtrain, 60m overall length 4 Trailers, often with a more stable (3x) hybrid A-type drawbar interconnections