Statistics:
- Length:
- 382 km
- Termini:
- Northern: Toodyay Rd (SR50), Toodyay
- Southern: Albany Hwy (SR30), Cranbrook
- Suburbs, Towns & Localities Along Route:
- Cranbrook, Wansbrough, Tambellup, Bobalong, Broomehill West, Broomehill, Murdong, Katanning, Marracoonda, Westwood, Woodanilling, Boyerine, Lime Lake, Wagin, Piesseville, Highbury, Dumberning, Narrogin, Hillside, Cuballing, Yornaning, Popanyinning, West Pingelly, Pingelly, East Pingelly, Brookton, Kokeby, Beverley, Gilgering, Gwambygine, Balladong, York, Cold Harbour, Malebelling, Quellington, Wilberforce, Muresk, Throssell, Muluckine, Northam, Burlong, Katrine, Dumbarton and Toodyay
Route Numbering:
- Current: 120
- Multiplexed with: 40 107 254
- Former: 94 94
- Road Authority Internal Classification: 1
- H052 (Brookton)
- M031 (Cranbrook to Wagin, Wagin to Brookton and Brookton to Northam)
- M033 (Northam to Toodyay)
- M037 (Wagin)
General Information:
Located in the wheatbelt region of Western Australia, State Route 120 is a rural highway connecting some of the oldest European settlements in the state.
Servicing agricultural properties, commercial, industrial and residential areas, the route runs parallel with the Perth-Albany railway corridor for most of its entire length.
Multiplexes along the route include:
- State Route 40, for 2 km, Brookton.
- State Route 107, for 1 km, Wagin.
- Tourist Drive 254, for 5 km, Beverley, then for 800 m, York, then for 1 km, Northam and for 10 km, between Katrine and Toodyay.
History:
- 1949: Great Southern Highway name gazetted. 2
- 2001: Link Road (Narrogin Bypass) named Pioneer Drive. 3
- November 2016: Stage 2 (the southern section) of Narrogin Bypass opened to traffic. 4
1 WA Government, Main Roads Western Australia, Road Information Mapping System.
2 WA Government, Western Australia Government Gazette, Land Act 1933-1948 - Naming of Great Southern Highway (per 5852/48), 8 April 1949.
3 Shire of Narrogin.
4 Infrastructure Magazine, Second stage of Narrogin link complete, 28 November 2016.