Police are reiterating the Mountain Road is closed to cyclists - after one had to be stopped ignoring the rules.
Officers from the roads policing unit say they had to turn away one cyclist just hours after the regulations came into force on Friday.
On Facebook, they say they turned him away as he tried to pedal through the Ramsey Hairpin.
The entire route from Ramsey to the Creg ny Baa is closed to bicycles during the Festival of Motorcycling.
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