Jaloc,
You wouldn't have known this but WE had A Mate Living in New Zealand and was a Truckee, known as Kiwiray. He died in 2014 due to medical complications.
NZ and AUS hate each other, go figure.
Unsure about Tazmania.
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2001-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.
Seems that was the LONGEST, now for something a tad shorter:
https://everything2.com/title/Road+train
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Looking for Related Stuff for this post, I cite this site:
https://everything2.com/title/world+record
Longest road train
The record for the longest road train is 1,474.3 m (4,836 ft 11 in) where a single Mack Titan prime mover, driven by John Atkinson (Australia), towed
113 trailers for a distance of approximately 150 m (490 ft) in an event sponsored by Hogs Breath Café, in Clifton, Queensland, Australia on February18, 2006.
https://web.archive.org/web/2006052...s.com/content_pages/record.asp?recordid=43494
American Truckers have Problems with ONE 53' TRAILER, except on the NY Thruway with a Day Cab and two 53'ers as seen in the early/mid/latter 2000 decade.
https://outbacktowing.tripod.com/id1.html
CHEERS Mate!!