Tripling the number of covert police bikes during TT will help target riders who are "pushing the boundaries".
That's the message from the Roads Policing Unit - this year there will be three bikes, ridden by experienced police officers, patrolling the Island's roads:
That's Sergeant Steven Lapsley - he says increasing the number of unmarked vehicles is the most effective way of preventing people injuring themselves or others by riding beyond their capabilities:
This week police released a video of covert footage taken over the last 10 years showing the issues they come up against - you can see it here.
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