All North Bound Lanes of the M1 Closed, 1 truck has rolled and 1 truck is on fire, expect lengthy delays. All persons are out of vehicles. Traffic Incident Report: Detailed Description A traffic incident involving a three-vehicle collision has occurred on the M1 near Morisset, specifically approaching Mandalong Road, within the Hunter region. The incident began at 10:23 PM today, and this report was last updated at 10:23 PM today. As a result of the crash, northbound traffic on the M1 is currently affected. Emergency services and Transport for NSW are on the scene responding to the situation. Motorists traveling in the area...