Emergency services are on the scene of a crash involving a car and a caravan on the Pacific Highway

Emergency services are at the scene of a crash south of Woodburn and drivers are being asked to take extra care if travelling in the area.

Emergency crews have been called to a crash on the Pacific Highway.

Emergency services are at the scene of a crash on the Pacific Highway which involved a car and a caravan.

According to Live Traffic NSW, the crash happened around 2.20pm at Jacky Bulbin Flat, near Tullymorgan-Jackybulbin Road, south of Woodburn.

It is understood there were no serious injuries in the crash.

One of two southbound lanes are closed.

Drivers should exercise caution and reduce their speed.

A spokeswoman from the Transport Management Centre said the crash was in the process of being cleared.

Meanwhile, the centre has advised there will be four days of work next to the Pacific Highway at Coolgardie to carry out vegetation maintenance, starting on Monday.

Motorists can expect lane closures and traffic control at times between 7am and 3pm.

Also from Monday, there will be up to four days of work on the Pacific Highway between Broadwater and Devils Pulpit to install and remove signage and carry out maintenance and finishing work.

Motorists can expect lane closures, traffic control, short stoppages and a reduced speed limit at times between 6am and 6pm.

The northbound U-turn near Swan Bay New Italy Road will be temporarily closed on Monday and Wednesday, with Thursday as a contingency if required.

The next available U-turn for northbound motorists is less than 2km north near Whites Road.