Saddle Road between Ashhurst and Woodville is closed.
Photo: Pretoria Gordon / RNZ
Fire and Emergency says firefighters have extracted a person trapped in car after a collision with a truck near Palmerston North.
The crash closed Saddle Road between Ashhurst and Woodville.
Police said emergency services got reports of the crash at 5.20pm and it was believed one person is critically injured.
They are advising motorists to avoid travel if possible as the only diversion is via the Pahiatua Track.
In an update just after 9pm Thursday, police said Saddle Road was expected to remain closed for the next few hours as emergency services remain at the scene of the crash.
The injured person has been airlifted to Wellington Hospital in critical condition.
Sign up for Ngā Pitopito Kōrero, a daily newsletter curated by our editors and delivered straight to your inbox every weekday.