The Western Australia Main Roads Department has moved to end confusion among restricted access vehicle operators over axle spacings, by
The Western Australia Main Roads Department has moved to end confusion among restricted access vehicle operators over axle spacings, by releasing a new measurement guide.
The new document, which is available under the Heavy Vehicles heading at www.mainroads.wa.gov.au, lists the various axle spacings, as well as providing a diagram showing how they should be measured.
The new figures confirm the minimum spacing between the axle groups, such as a single axle to tandem axle, which requires a separation of at least 4.3 metres, while the minimum measurement for a single axle to a tri-axle must be 5.5 metres.