EMERGENCY ROADWORK 9:55 pm – M1 Pacific Motorway Tweed Heads West at Tugun Tunnel 1 of 2 . Southbound lanes closed. Lane 2. Traffic may be stopped intermittently during work. Reduced speed limit. Check signage; Allow extra travel time. , Speed Limit: 60/KM/h Moderate traffic conditions. Last checked at 4:16am.