Alberta Provincial Highway No. 628, commonly referred to as Highway 628, is a highway in the province of Alberta, Canada that runs west to east through the Edmonton Capital Region in two sections. The western 19-kilometre-long (12 mi) section runs from the town of Stony Plain to the Edmonton city limits at 231 Street (Range Road 261). The eastern 6-kilometre-long (4 mi) section, also known as a Whitemud Extension, runs from Anthony Henday Drive to Highway 21 just south of Sherwood Park.