The Department of Infrastructure says it's getting this year's cats eyes installations underway from next week.
Main Road in Colby and Main Road in Ballasalla will be first on the list from Monday, June 15.
The following week, on Monday, June 22, it'll be the turn of Colby Glen Road.
The DOI says the routes will be shut between 9.30am and 3.30pm while the work takes place.
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