A woman has died after being hit by a vehicle in Ludmilla overnight, NT Police said.

Police media manager Margaret McKeown said in a statement Major Crash Investigation unit investigators believe the woman was walking across Bagot Rd, when she was hit by an oncoming vehicle at around 9pm.

Ms McKeown said the driver stopped, and was uninjured in the collision, and is being questions by police.

Anyone who witnessed the collision or with dash-cam footage is urged to contact police on 131 444 or Crime Stoppers on 1800 333 000.