Motorists are asked to avoid the junction with the New Castletown Road to the NSC entrance
Update at 4.20pm: The road has now reopened.
Emergency services are dealing with an incident on Groves Road in Douglas.
The road is closed from the junction with the New Castletown Road through to the entrance to the NSC.
Police are asking those travelling to avoid the area.
Closure of northern section of Mountain Road extended
Hopes remaining surfacing works will be completed on Friday
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