UPDATED: HAWKSBURN ROAD NOW CLOSED

Due to high volumes and multiple unsuitable vehicles attempting to make this journey the road is now, the Central Otago District Council has posted.

"When the road is cleared, we will be letting small numbers from each end through, you can expect delays on this road of up to 2-3 hours.''

A serious crash involving two vehicles has closed State Highway 8 between Cromwell and Clyde.

Police issued a statement saying the crash was reported just after 5pm and emergency services are in attendance.

The road will be closed for some time, motorists are asked to avoid the area and expect significant delays, police said.

The Central Otago District Council issued a notice to motorists stating the Hawksburn Rd was a back country track and not suitable for all vehicles to attempt to travel as an alternative route.

" Many of you will be trying to commute home and we understand this, however, please note the HAWKESBURN Road is a back country track and should be treated as such, which lead means . . . 4WD vehicles are recommended on this road; it is not suitable for all vehicle types and NO heavy vehicles are permitted,'' '' the statement said.

The road was is not passable by two vehicles in all places, and Council requested motorists to be respectful of other drivers.

"Reduce your speeds, again this is a gravel track that follows the natural ground conditions.''

Council staff are stationed at each end of Hawksburn Rd and would be monitoring vehicles for suitability on the back country road.

"Please take their advice they are trying to keep you and others safe,'' the statement said.