Police say the Mountain has closed after a crash.
The incident happened the Black Hut, and the emergency services are currently dealing with the incident.
Meanwhile, the road has been cleared after a crash at Creg Willey's Hill - which didn't require a road closure.
Officers say the scene there is now clear.
Isle of Man is Peter Andre's Flava of the week!
Evri preparing to pull out of Isle of Man?
Get involved in Island's first BJ Week!
Can you help find stolen car?
Five green lanes to close for TT
Burst water main means traffic lights on TT course in Kirk Michael
Organisers call off Onchan pride event expected to attract 1,500 visitors
DEFA deletes "downright offensive" two-headed chicken logo