A SURGE in the number of cyclists hit by cars in Wyndham has caused police to renew calls for road users to pay more attention to their surroundings.

Twenty cyclists were injured by cars in the 12 months to December 16, 2013, more than double than that of the previous year. Eight riders were hit by cars in 2012.

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Wyndham Highway Patrol Sergeant Kevin Hickson said in 70 per cent of the collisions in 2013 the driver of the car was at fault for failing to give way or moving onto the cyclist.

In the other 30 per cent the rider was riding in the wrong direction on the road or disobeyed the traffic signal.

Sgt Hickson said 75 per cent of the crashes occurred at intersections at low-risk times, during daylight hours in clear conditions.

"There's not great pattern to it. Most of the time the drivers are at fault. We're trying to figure out what that means," he said.

"Drivers need to realise that it's not only cars out there on the road. We've got motorbikes, pushbikes and pedestrians. We need to start looking out for our vulnerable road users," he said.

Hoppers Crossing cyclist Christine Morris said drivers were just not paying attention to cyclists.

"They just don't see us," she said.

Ms Morris said twice in two weeks she was almost knocked over by cars at the intersection of Shaws Rd and Kookaburra Ave.