The longest road train ever assembled was 1,018.2 m (3,340 ft) long and consisted of 79 trailers with a combined weight of 1,072.3 tonnes (2.364 million lb). It was pulled a distance of 8 km (4.9 miles) by a Kenworth C501T truck driven by Australia's Steven Matthews, near Kalgoorlie, WA, Australia, on October 19th, 2000 in an event known as 'Doug's Tug', after organiser Doug Gould.As seen in the Guinness book of world records.
References:
Powertrans
Road Train
Marleys Transport
