Penrith traffic: Crashes, delays, updates for September 16

Check signage; Use diversions. The Northern Rd/ M4 Mwy interchange will be switched to the ultimate alignment at 8am Sunday, 20 Sep 2020. Traffic changes: The Northern Rd northbound lanes will be shifted to the west Right turn lanes to the M4 Mwy on and off-ramps will be opened The Northern Rd will have four lanes The M4 Mwy speed limit will be 80km/h;