Motorists are advised by the Roads and Maritime Service (RMS) of changed traffic conditions from Sunday on the M1 Princes Motorway at Bulli Tops for safety improvements.

Work will include slope stability improvements to reduce the risk of rock and vegetation falls. Work will be carried out north of Appin Road on Sunday June 30 and Monday July 1 between 7.30pm and 4.30am, weather permitting.

During work hours, up to two northbound lanes of the M1 Princes Motorway will be closed.

A 40 kmh speed limit will be in place during work hours for the safety of workers and motorists. Motorists are advised to drive to the conditions and follow the directions of signs and traffic control.

For the latest traffic updates visit livetraffic.com or call 132 701.