Stephenson Avenue

Stephenson Avenue

General information
TypeRoad
Length3.5 km (2.2 mi)
Route number(s) State Route 64 (Osborne Park section)
State Route 65 (Mount Claremont section)
Major junctions
Stephenson Avenue (Osborne Park)
North end Cedric Street (State Route 64)
 
South end
  • Pearson Street (State Route 64)
  • Jon Sanders Drive
Stephenson Avenue (Mount Claremont)
North end
  • Underwood Avenue (State Route 65)
  • Perry Lakes Drive
 
  • Montgomery Avenue
South end Rochdale Road (State Route 65)
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Stephenson Avenue refers to two separate sections of road in the western suburbs of Perth, Western Australia.

The first section is a 2.05-kilometre (1.27 mi) section of two-lane dual carriageway linking Cedric Street to Pearson Street and Jon Sanders Drive in Osborne Park via the Mitchell Freeway and Scarborough Beach Road. The second section is a 1.5-kilometre (0.93 mi) two-lane single carriageway in Mount Claremont used to link central Perth to West Coast Highway via Hay Street, Underwood Avenue and Rochdale Road.

The two sections of road are to date the only evidence of the originally proposed Stephenson Highway, a controversial highway that was proposed to connect Swanbourne to Innaloo. The Mount Claremont section was completed in 1962, while a section in Osborne Park linking Pearson Street and Jon Sanders Drive to Scarborough Beach Road was completed in 1994, and was further extended to Cedric Street in 2025; however evidence of previous attempts to construct this section of the road can be seen on Landgate aerial photos from 1985.

The two roads are named after Gordon Stephenson, an influential person in the development and expansion of Perth through the Metropolitan Region Scheme during the 20th century.