Three people were injured in two crashes in Tararua District on Monday morning, one on a main highway and two on the main rail line.
A driver was critically injured after their truck rolled on State Highway 3 near Woodville, at the bottom of the Saddle Rd.
A Hato Hone St John spokesperson confirmed they had transported one person to Palmerston North Hospital in critical condition.
Police received a call around 6.35am on Monday to the incident between Oxford and Morgan Rd.