Bayley John Foy will not be able to drive for 12 months after pleading guilty to driving at a speed dangerous and careless driving.

Police prosecutor Senior Constable Giles Brown said police pulled up behind Foy at a traffic light on Sturt Street in an unmarked car about 10.30pm on July 24, 2020.

At the light change he sped off at 126km/h in a 60km/h zone on Sturt Street before he was intercepted by police.

The court heard there were pedestrians on the footpath nearby and cars travelling in the same direction at the time.

Foy's car was impounded and he told police he had no reason for speeding, but the speedometer in his car was not working.

A month earlier he was charged for careless driving when his rear wheels lost traction and he fishtailed turning onto Sturt Street from Gilles Street North.

His car was also impounded at that time and he told police 'he did not mean it, as dumb as that sounds'.

Representing himself at court, Foy said he had worked as a mechanic and had an interest in cars.

He said he would struggle to get to work without his licence.

Magistrate Fiona Hayes said having a deep interest in cars was 'fantastic' but Foy was not able to drive 'in any way he liked'.

"I have no option but to take your licence from you for 12 months on that driving at a speed dangerous charge. I must do that under the law," she said.

"You will need to put some arrangements in place to get to work.

"If you make a decision to drive once a court has prevented you from driving, you put yourself at risk of a term of imprisonment, so please don't make that choice.

"That is a big risk for you."

Foy was convicted and fined $1000.

"I accept you otherwise are getting along well with your career, that you have work and it is difficult for you to get to work without a licence," Ms Hayes said.

"But the driving was objectively really dangerous at that speed, plus the careless driving adds to the aggravating features of your driving behaviour.

"Please don't drive during this period of disqualification, it only gets worse for you if you do."

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