CRASH Truck 1:54 pm – M1 Pacific Motorway Brooklyn at Pacific Highway overpass 1 of 3 . Northbound lanes closed. Lane 1. Motorists may consider using the Pacific Highway between Berowra and Mooney Mooney – suitable for light vehicles only.  Expect delays. Exercise caution. , Queue Length: 6KMs Tow Truck,Emergency services,Transport for NSW, are attending. Heavy traffic conditions. Last checked at 4:10pm.