Melissa Rajkovic was riding her bike through the roundabout at the intersection of George and Stanley streets on Friday morning when she says a car forced her off the road and crashing into the cement centre of the roundabout.

Ms Rajkovic said she was already on the roundabout when the car was pretty much on top of her, forcing her to swerve and crash to avoid being hit by the car.

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"I don't know how I didn't get hit," she said.

She says the driver of the offending vehicle didn't even stop to see if she was injured, though other motorists stopped to check that she was okay.

One lady pulled over to help while another driver, after checking on Ms Rajkovic, took off after the other vehicle to try and stop it.

"I was so grateful (to them for their help). I was in a bit of disbelief, when I called my husband I was shaking and sobbing," Ms Rajkovic said.

"My first thought was to try and get the rego but I was crying and I could only get the first three letters."

Another motorist who also witnessed the incident got the full registration details of the car and has reported it to police.

Ms Rajkovic said she has thought about what happened and one possibility was the driver didn't see her despite her wearing high visibility, hot pink riding gear.

She said the thinks the driver was trying to beat a ute that was also approaching the roundabout.

"I've spoken to council and said this is a really bad intersection and needs to be reviewed," she said.

"I don't know whether they can put speed humps in, but something needs to be done."

She said she has put her concerns in writing to council.

As for the driver, she said everyone makes mistakes but people need "to slow down and open their eyes".

Fellow cyclist Renee Covington said she had experienced not only near misses but also abuse from drivers, as well as motorists who drive deliberately and dangerously close to riders on the road.

"I've had people scream at me from car window, or come really close to me on my bike, beep their horn. Some people have even swerved towards me," she said.

Ms Covington's experiences have been so bad that three years ago she bought cameras for her bike to provide evidence for police.

She said drivers need to remember that cyclists are people, and that the road rules apply to all.

"We're humans, not targets," she said.