The crash was reported just after 10am on Thursday.
A male driver has been rushed to Ninewells Hospital in an ambulance following a one-vehicle crash in Highland Perthshire.
The A9 is partially blocked following the collision.
Traffic Scotland confirmed the crash near Dalnaspidal at 10.10am on Thursday.
Initially the trunk road was blocked in both directions but this has been reduced to one northbound lane.
Man rushed to hospital
The driver’s condition is currently unknown.
Police are on the scene and traffic is moving but motorists are advised to approach with caution and expect longer than normal journey times.
A Police Scotland spokesperson said: “Around 10.05am on Thursday, 22 September, officers were called to a report of a one car road crash on the A9 northbound, near Calvine.
“The male driver has been taken by ambulance to Ninewells Hospital.”
