William R. Allen Road, also known as Allen Road and the Allen, is a short expressway and arterial road in Toronto, Ontario. It starts as a controlled-access expressway at Eglinton Avenue West, heading north to just south of Transit Road, then continues as an arterial road north to Kennard Avenue, where it continues north as the northern portion of Dufferin Street. Allen Road is named after late Metro Toronto chairman William R. Allen and is maintained by the City of Toronto. Landmarks along the road include the Lawrence Heights housing project, Yorkdale Shopping Centre and Downsview Park (formerly CFB Downsview). A section of the Toronto subway Line 1 Yonge–University is located within its median from Eglinton Avenue to north of Wilson Avenue, and briefly runs parallel to it underground in the vicinity of Sheppard Avenue.