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Transport, travel and motoring

B-double

Below is a list of documents and resources for drivers and operators of B-Doubles.

Gazette notices

Drivers and operators of the following vehicles are required to comply with and carry the listed gazette notices in their vehicle.

Type/Operation	Gazette Notice
Up to 25 metres	Gazette Notice for B-doubles up to 25m in length
Up to 26 metres	Gazette Notice for B-doubles up to 25m in length, Supplementary Gazette Notice for B-Doubles up to 26m in length
Commodity Freight	Gazette Notice for the operation of heavy vehicle configurations over railway crossing on approved commodity routes
6.5 tonne front underrun protection	Gazette notice for 6.5 tonne steer axle

Mass

Drivers with the following altered mass limits are required to comply with and carry the following documents in their vehicle.

Mass limit	Documents
Tri-axle groups at Higher Mass Limits	HML Route Compliance Certificate (Not required if enrolled in the Intelligent Access Program HML B-Double Scheme )
Operated at Concessional Mass Limits and enrolled in SA's National heavy vehicle accreditation scheme (NHVAS) Mass Management module	Gazette Notice for Concessional Mass Limits
Operated at Concessional Mass Limits and enrolled in an interstate National heavy vehicle accreditation scheme (NHVAS) Mass Management module	CML Route Compliance Certificate

Code of practice

Drivers and operators must comply with the Code of Practice for B-doubles.

Approved routes

Immediately prior to any journey drivers must determine the approved route via the RAVnet Online Map System.

Note: Route maps do not need to be carried within the vehicle in South Australia.

If you wish to travel on a route not specified in the applicable route network, or if your operating requirements cannot be met by a gazette notice, you will need to apply for an oversize overmass heavy vehicle permit or request a new route assessment.