The Cumberland Highway is a 34-kilometre (21 mi) long urban highway located in Sydney, New South Wales, Australia. The highway links the Pacific Highway (A1/B83) and Pacific Motorway (M1) at Pearces Corner, Wahroonga in the northeast with the Hume Highway (A22/A28) at Liverpool in the southwest. The entire length of Cumberland Highway is designated route A28. The name of the highway is derived from the Cumberland Plain and Cumberland County. The name Cumberland was conferred on the County by Governor Arthur Phillip in honour of Ernest Augustus, Duke of Cumberland.