Permits for road trains and extra mass

The Shire's Chief Executive Officer has delegated authority to determine any application recommending approval or refusal to Main Roads WA to use road trains and applications for extra mass permits on any local road.

Permits are subject to the following conditions

  1. Speed limits as sign posted and gazetted up to a maximum speed of 90km per hour
  2. All permits expire after a 12 month period
  3. The use of Shire of Chittering local roads as listed are subject to weather conditions (operators are required to contact the Shire officer prior to travel to ascertain local road/weather conditions)
  4. Copy of the approval(s) is to be forwarded to the Officer in Charge at Gingin Police Station, 4 Constable Street, Gingin WA 6503
  5. Two-way radios (on Channel 40) are to be used when operating within school bus areas

If you have any questions please contact Technical Services on (08) 9576 4600 or email

For further information on permits please visit Main Roads WA.