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Heavy Vehicles

Detour for Oversize Vehicles

Further to our previous notification on Wednesday, 24 February 2021, vehicles up to 3.4 metres in width are now able to travel on the city bound lanes of the freeway between the Stirling Interchange and the Glen Osmond Tollgate, effective immediately. Previously, this access was limited to vehicles up to 3.2 metres in width.

City bound vehicles greater than 3.4 metres in width need to continue detouring through Murray Bridge via Hindmarsh Road, Maurice Road and Cypress Terrace and then follow Mannum Road towards the Sturt Highway via Randell Road, onto Ridley Road, Angas Valley Road and Halfway House Road, onto the Sturt Highway.

Access for city bound oversize vehicles is permitted up until the Stirling Interchange. All other heavy vehicle movements (vehicles less than 3.4 metres in width) are permitted.

Signage located in Tailem Bend is in place to advise heavy vehicle operators of the changed conditions.

Oversize operators, should consider if permits are affected by the above restrictions. If you require an amendment to your permit, please contact the National Heavy Vehicle Regulator on 1300 696 487 or

From early April 2021, until approximately mid-2021, weather permitting, vehicles greater than 3.4 metres wide will not be permitted to travel uphill (outbound) on the South Eastern Freeway between the Glen Osmond Tollgate and Stirling Interchange. Detour will be via the Sturt Highway and Murray Bridge, as outlined above.

Please note also that there will be five weekends (from 7pm Friday – 6am Monday) between April and mid-2021, where detours for vehicles greater than 3.4 metres in width will be required. Advance notification of these dates will be provided.

Please click here for the detour map.

Important information for heavy vehicles  

Speeds for heavy vehicles on the South Eastern Freeway in the work area will be restricted to 40kph for the duration of the works.

The arrester bed just east of the Toll Gate will be unavailable for a period of approximately two weeks during working hours. Confirmed dates and details will be provided on the project website and social media two weeks prior.

During this time, a Truck Mounted Attenuator (TMA) will be on-site for use by any errant heavy vehicle. A Truck Mounted Attenuator or impact attenuator, also known as a crash attenuator, is a device intended to reduce the damage to structures, vehicles, and motorists resulting from an errant motor vehicle collision. TMAs are designed to absorb the colliding vehicle's kinetic energy. An image of a TMA is below.