CRASH 2 cars, truck 1:38 pm – M1 Pacific Mwy Tweed Heads West in Tugun Tunnel 1 of 2 Northbound lanes closed. Lane 2. Lane 2 is open for traffic, but due to congestion, northbound motorists may wish to use the Gold Coast hwy. Exercise caution Allow extra travel time Motorway Crew,Emergency services, are attending . Heavy traffic conditions. Last checked at 1:56pm.