Man who cycled along Harbour Bridge road evades fine because he's a foreigner

A cyclist who rode across the road on the Sydney Harbour Bridge before crossing lanes onto Warringah Freeway has been let off by police because he's a foreigner.

The man darted across several lanes of traffic ignoring several warnings to stop at around 2.30am on Sunday morning.

A driver's dashcam shows the man barely doing 10km/h in an 80 zone as he headed northbound across the bridge, unfazed by the cars around him.

After making it across the bridge, the cyclist, riding without safety lights, then proceeded down the Warringah Freeway before the driver ushered the tourist to the side to remonstrate with him.

"Mate, you're going to get yourself killed," the driver can be heard saying.

"Your'e not allowed to ride here," he added before the cyclist told him to drive on.

A short time after police pulled the foreign national over but let him go with a stern warning as they believed it was a genuine mistake.

They opted not to give him the maximum penalty fine of $1,100, believing he didn't understand the road rules.

"It's beyond comprehension... you're really, really waiting for a tragedy to happen to yourself if you're going to take those type of risks," Superintendent Robert Toynton said.

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A separate cycle lane is available for use on the left side of the bridge heading north with an estimated 2,000 cyclists using it daily.

Bicycle NSW's Kim Lavender said it was alarming to witness the risks the cyclist took.

"I did think it was a little bit shocking to see a bike rider on that particular intersection 39, especially riding across the main deck of the Harbour Bridge."