Replying to a message of Steve Asher to Lee Lofaso:

 SA> Not always ... on the "highway" from Northern Territory
to Queensland,
 SA> they drive down the white centre lines, because the road is too
 SA> narrow! (Or maybe it is to avoid causing tornadoes!) It's scary when
 SA> there's a Road Train coming the other way!

May I assume that a 'road train' is a tractor pulling three (or more) trailers?
In the US, two (40') trailers is pretty much the maximum number but on some
highways in some states three is permitted.

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