Statistics:

Length:
392 km (Bunbury to Collie: 52 km)
Termini:
Eastern: Brookton Hwy (SR40) and Lake King-Norseman Rd (unnumbered), Lake King
Western: South Western Hwy (SR20), Roelands
Suburbs, Towns & Localities Along Route:
Glen Iris (Bunbury), Picton, Picton East, Waterloo, Roelands, Worsley, Allanson and Collie

Route Numbering:

Current: 20 107
Multiplexed with: 20 355
Road Authority Internal Classification: 1
H009 (Bunbury to Roelands)
H045 (Roelands to Collie)

General Information:

State Route 107 connects the coast of Western Australia, with the state's coalfields and wheatbelt. The road is generally rural road / rural highway standard and runs in a generally east to west fashion from end to end. The route forms the route 5 part of the official heavy haulage route system in southwestern Western Australia. 2 The route also features the Lake King Causeway at the town of Lake King. It allows motorists to cross 10 kilometres of salt lakes and is the longest WA road built across a salt lake. 3

Multiplexes along the route include:
State Route 20, for 16 km, between Glen Iris and Roelands.
Tourist Way 355, for 52 km, between Roelands and Shotts (Collie).

History:

April 2022: Work commenced on construction of the interchange with Bunbury Outer Ring Road (BORR) at Waterloo, near the roadhouse. 4
2024: State Route 107 decommissioned between Bunbury and Roelands, extinguishing the duplex with State Route 20. 5

This page concentrates on the former alignment between Bunbury and Collie

Bunbury to Collie

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Distance Sign:

Looking northeast at Glen Iris near the Preston River. December 2007.

Image © Paul Rands

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Advance Directional Sign:

AD sign at Picton approaching Picton-Boyanup Rd. December 2007.

Image © Paul Rands

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Picton-Boyanup Road Intersection:

Looking northeast at the Picton-Boyanup Rd intersection. December 2007.

Image © Paul Rands

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Distance Sign:

RD sign as you head northeast at Picton, December 2007.

Image © Paul Rands

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Distance Sign:

RD sign as you head northeast at Waterloo, December 2007.

Image © Paul Rands

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Collie River:

Crossing the Collie River at Burekup. December 2007.

Image © Paul Rands

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Approaching Raymond Road / Coalfields Hwy Junction:

Heading northeast at Burekup approaching Raymond Rd (left turn) and Coalfields Hwy (right turn), which is where the SR20 duplex ended, December 2007.

Image © Paul Rands

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Coalfields Hwy Intersection:

Looking at the right turn of SR107 onto Coalfields Hwy at Roelands, May 2008.

Image © Paul Rands

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Distance Sign:

Eastbound RD sign at Roelands, May 2008.

Image © Paul Rands

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Tourist Drive Sign:

Sign announcing the start of the Collie Tourist Way at Roelands, May 2008.

Image © Paul Rands

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Typical Conditions:

Eastbound between Roelands and Worsley, May 2008.

Image © Paul Rands

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Typical Conditions:

Eastbound between Roelands and Worsley, May 2008.

Image © Paul Rands

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Advance Directional Sign:

AD sign as you approach Wellington Dam Road at Worsley, May 2008.

Image © Paul Rands

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Intersection Directional Signs:

Looking at the intersection with Wellington Dam Road at Worsley, May 2008.

Image © Paul Rands

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Distance Sign:

RD sign located after Wellington Dam Road at Worsley, May 2008.

Image © Paul Rands

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Advance Directional Sign:

AD sign as you approach the intersection with Gastaldo Road at Worsley, May 2008.

Image © Paul Rands

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Gastaldo Rd Intersection:

Looking eastbound at Worsley, May 2008.

Image © Paul Rands

1 WA Government, Main Roads Western Australia, Road Information Mapping System.
2 WA Government, Main Roads Western Australia.
3 Lake Grace Shire.
4 WA Government, Main Roads Western Australia, Projects & Initiatives, Bunbury Outer Ring Road, Previous Publications, Construction Update, April 2022.
5 WA Government, Main Roads Western Australia, Western Australian State Routes 2024.