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SA’s worst intersections ranked


Adelaide’s most dangerous intersection is in the southern suburbs, seven out of 10 are in the north and the city’s most notorious roundabout is in the top five, according to an RAA analysis of official crash data. See the list

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The Marion and Sturt Road intersection in the southern suburbs has been ranked the state’s most dangerous, recording 40 casualty crashes between 2018 and 2022.

The intersection, which is currently not in line for an upgrade, has an average daily traffic volume of just below 78,000 cars.

Of the 40 casualty crashes (meaning at least one person killed or injured), 78 per cent were attributed to drivers approaching from Marion Road, according to the RAA.

Marion and Sturt Road

The intersection of Marion and Sturt Road has ranked as South Australia’s most dangerous. Photo: Google Maps

The second-worst intersection is Main North Road/Regency Road in the northern suburbs with 33 casualty crashes.

The junction is one of five Main North Road intersections to make the top 18 list.

Third placed is the intersection of Curtis and Peachey Road (33 casualty crashes) followed by the notorious Britannia roundabout at Kensington in Adelaide’s east (27 casualty crashes).

A list of the worst 18 intersection in South Australia. Table: RAA

RAA senior manager of safety and infrastructure Charles Mountain said: “Across all of these intersections there is a very high number of rear-end crashes at peak-hour times, indicating the heavy traffic congestion is leading to these types of incidents.

“And at the Marion Road / Sturt Road intersection, for example, there have been a high number of right turn casualty crashes in the last five years (20).”

Seven of the worst 10 intersections are in the northern suburbs, according to the RAA, while three of the worst 18 are slated for upgrades as part of the $15.4 billion Torrens to Darlington project.

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