SCHEDULED ROADWORK 11:34 am – Ku Ring-Gai Chase Road Mount Colah to North Turramurra between M1 Pacific Motorway and Bobbin Head Road Diversions:Detour via M1 Pacific Mwy, Pacific Hwy and Bobbin Head Rd. Motorists are advised to allow around 30 minutes extra travel time. Check signage Use an alternative route; Allow extra travel time STARTS: Thursday 9:00pm. ENDS: 5:00am. Last checked at 5:08am.