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A number of greenways around the Island will shut during TT this year to protect sensitive uplands.
The Department of Infrastructure will close the routes from Friday, May 23 until Friday, June 6.
It says it's to stop illegal riding, which gets worse during the motorsport festival and can leave lasting damage to upland environments.
The Department says all of the affected routes in Garff, Marown and Michael and Lezayre lead to open upland hills.