HOLIDAY TRAFFIC EXPECTED 1:33 pm – Pennant Hills Road Wahroonga to Carlingford approaching M2 Motorway Southbound traffic affected. High traffic volumes are expected on Pennant Hills Rd from the end of the M1 Pacific Mwy during peak travel times at the end of the school holidays. Plan your trip to travel outside of peak times or allow plenty of additional travel time. Plan your journey Allow extra travel time Last checked at 9:24am.