Police are urging riders to take care on the Island's roads.
It comes following two crashes involving bikes on the Mountain Road yesterday - one at Joeys and one at Black Hut.
Both riders received serious injuries as a result, the road had to be closed and an investigation will follow.
Officers also say they've dealt with vehicles going, or attempting to go the wrong way around the one-way system.
They urge offenders will be dealt with robustly.
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