TRAFFIC RULES IN AUSTRALIA

It would be unfortunate if your trip to Adelaide for the Australian MotoGP ended with an unexpected fine. To help you enjoy race weekend at the Adelaide Street Circuit without unnecessary complications, here is a practical overview of the main traffic rules in South Australia.

Driving side

In Australia, vehicles drive on the left-hand side of the road. Overtaking is done on the right.

Speed limits

Speed limits in South Australia are strictly enforced and clearly signposted.

• Urban areas: Generally 50 km/h unless otherwise indicated.
• School zones: Usually 25 km/h or 40 km/h during designated school hours (check local signage carefully).
• Main roads: Typically 60–80 km/h within metropolitan areas.
• Highways and rural roads: Commonly 100–110 km/h.

Always follow posted signs, as limits may change frequently near roadworks or event zones.

Traffic signals and enforcement

Drivers must comply with all traffic lights, road signs and lane markings.

Adelaide and South Australia use speed cameras and red-light cameras, particularly at major intersections and busy roads. Temporary traffic management may also be in place during major events.

Alcohol behind the wheel

South Australia applies strict drink-driving laws.

• The standard legal blood alcohol concentration limit for fully licensed drivers is 0.05.
• Penalties increase significantly for higher readings and may include fines, licence suspension and mandatory alcohol interlock devices.

Random breath testing is common, especially during large public events.

Seat belts

Seat belts are compulsory for all occupants.

Children must use approved child restraints appropriate to their age and size. Police conduct regular checks, and fines apply for non-compliance.

Toll roads

Unlike Melbourne or Sydney, Adelaide does not have toll roads. You can drive around the city and the surrounding areas without paying motorway tolls.