Northern Territory Police are investigating a non-suspicious fatal road incident that occurred near Victoria River yesterday afternoon.

At 5:15pm, police received a report of a man trapped underneath a trailer, approximately 10km east of the Victoria River Roadhouse.

Police attended the scene, where the man was declared deceased.

Katherine Criminal Investigation Branch are investigating the circumstances of how the driver became trapped underneath the trailer and a report will be prepared for the coroner.

NT Worksafe has been notified.

Traffic diversions are in place as the truck and trailer remain blocking the inbound lane to Katherine on the Victoria Highway. Motorists should expect delays and are urged to avoid the area if possible.

Police are calling for any witnesses, particularly those with dash cam footage, who may have seen a truck and trailer pulled over on the Victoria Highway near the Victoria River Roadhouse to make contact with police on 131 444.

Please quote reference number 10295434.