Fixed Object Crashes Skyrocket in Wet Weather

May 30, 2024 7:11 am in by
Photo by Arun Thomas via

There is a road weather alert today for slippery conditions in Adelaide and surrounds, with motorists urged to drive to the conditions, use headlights and keep a good distance between vehicles.

New RAA data shows wet weather increases the risk of crashing into roadside objects like barriers and stobie poles – with ‘hit fixed object’ crashes leading almost 10,000 insurance claims every year.

‘Hit fixed object’ crashes are the most common crash type in wet conditions, spiking to 28% of all reported crashes in SA when it rains – up from just 15% when the road is dry.

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Each year RAA Insurance receives more than 9,700 claims due to drivers crashing into objects such as fences or stobie poles – making it one of the most common reasons for making a motor claim.

Between 2018-2022, 3,721 people were injured and another 152 lost their lives in SA when a vehicle collided with a fixed object.

RAA Senior Manager Safety & Infrastructure Charles Mountain urged drivers to show extra care on the roads this week, with the first significant rain forecast for May starting on Thursday.

“There is a clear spike in hit fixed object crashes when rain sets in,” Mr Mountain said.

“We’re urging drivers not to be complacent this week, as it hasn’t rained in a long time and the roads are likely to be slippery due to the build up of dust and oily residue from vehicles.

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“Around 61% of ‘hit fixed object’ crashes occur on either curved sections of roads or at intersections, where drivers are losing traction and crashing into objects such as barriers, trees or signposts.

“These types of crashes can lead to anything from minor damage and a call to your insurance company – to someone being seriously injured or killed.”

The crash data also shows rear end collisions – the most common crash type overall – make up another 24% of all crashes when it’s raining.

It is advised you leave a gap of at least three seconds between your vehicle and the one in front as stopping distances increase by around 30 per cent when the road is wet and even longer if your tyres are worn.