It's expected to reopen at 4pm
The closure also effects Windermere Drive up to the junction with Begoade Road.
Access to residential properties from Windermere Drive is closed and residents are asked to use the access route from Groudle Road.
The constabulary says the road is expected to be closed until 4pm today.
Delayed: Manxman won't be back until November
Large vehicles asked to avoid Sulby as recovery work continues
Reservoir construction enters final stages