The companion of a woman hit and killed by a car in Darwin dragged her body off the road, then fled the scene with her belongings, police say.

NT Police said emergency services were called to the scene near the intersection of Sabine and Trower Road, Millner, just before 7:00pm on Thursday, but the female pedestrian was dead when the ambulance arrived.

Acting Senior Sergeant Tanya Mace said police were seeking the person who was with the victim, who is believed to have been in her 30s.

"It appears that she and a friend were crossing the road when the victim has been struck by a vehicle," she said.

"Unfortunately the sad part about this is the friend has dragged her off the road and then ran from the area with the victim's property."

Darwin police have warned drivers of intoxicated people crossing the road. ( ABC News )

Senior Sergeant Mace said the driver of the car was not injured but was distraught.

"Unfortunately this is an all too common event in the Northern Territory, so drivers please beware.

"There are intoxicated people crossing the road.

"They don't follow the road rules same as everybody else and unfortunately this will leave a lasting impact on the driver of the vehicle, as it has with so many before."

Anyone with information about the incident is urged to contact police on 131 444 or call Crime Stoppers on 1800 333 000.