The Pennant Hills Road, a 15-kilometre (9.3 mi) section of the Cumberland Highway (A28), is a major urban highway located in Sydney, New South Wales, Australia. The road links the suburb of Wahroonga in the northeast, to the major central business district of Parramatta in the southwest.In 2015 NRMA members voted the Pennant Hills Road as the second worst road in New South Wales and the Australian Capital Territory, with approximately 5,000 heavy vehicle movements per day.