Statistics:

Length:
25 km
Termini:
Eastern: Albany Highway (SR30), Jarrahdale
Western: Ennis Avenue (NR1) and Dixon Road (unnumbered), Rockingham
Suburbs, Towns & Localities Along Route:
Rockingham, Hillman, East Rockingham, Leda, Cooloongup, Baldivis, Oldbury, Mardella, Mundijong and Jarrahdale

Route Numbering:

Current: 22
Multiplexed with: 20
Road Authority Internal Classification: 1
H009 (Mundijong to Jarrahdale)

General Information:

Located in Perth's outer southern suburbs, State Route 22 is a route that services light industrial, residential, commercial and semi-rural areas.

Multiplexes along the route include:
State Route 20, for 350 m, Jarrahdale.

History:

September 2010: Approval of the plans to extend Mundijong Road at Baldivis, which bypassed the dog-leg of SR22 along Baldivis Rd, Kerosene Ln and Mandurah Rd. 2
1 WA Government, Main Roads Western Australia, Road Information Mapping System.
2 WA Government, Ministerial Media Statements, Mundijong Road extension one step closer, 8 September 2010.