The Mountain Road will be closed for around five weeks between the Creg ny Baa and Brandywell Corner from mid-September.
It’s to allow for construction works to take place - with Infrastructure Minister Michelle Haywood saying it will improve a section of road which has seen five crashes in the past three years.
Work will include channels to help manage water on the road and reduce the risk from ice in winter.
Originally scheduled for spring before a breakdown at the government asphalt plant, work will now start from Monday, September 15.
Plans to promote Manx goods to be scrutinised by MHKs
Council announces final dates for garden waste collection
Manx Utilities hopes sewer cleaning means end of odour problems
What's being done to tackle crash blackspots?
New TT schedule will be reviewed on yearly basis
No successful driving theory test appeals in past 10 years
Steam Packet announces tomorrow morning's sailings will go on time
Firefighter to raise money by wearing full gear in fitness competition
