One-way system must be observed
Don't trust satellite navigators mapping routes across the Mountain Road during TT - that's according to the Isle of Man Constabulary.
The one-way system is in place until the festival comes to a close.
Police say sat navs typically won't show the change.
Last year, a number of drivers were prosecuted for driving in the wrong direction on between the Ramsey Hairpin and the Creg-ny-Baa.
Inspector Gavin Callow says it's pivotal everyone's on the same page:
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