The Hume Highway is closed in both directions at Lansdowne due to fallen wires and a fallen power pole.
The highway is closed between The Horsley Drive and Woodville Road / Henry Lawson Drive.
Motorists are advised to avoid the area and use an alternative route as traffic is extremely heavy.
For the latest traffic information, download the Live Traffic NSW app, visit www.livetraffic.com or call 132 701.
For the latest transport information, visit www.transportnsw.info