Guanna Hill realignment

The proposed improvements at Guanna Hill, about 21 kilometres north of Orange, will upgrade and realign 7.2 kilometres of the Mitchell Highway near Molong. This work will improve safety, travel times and provide a smoother road surface for road users.

Guanna Hill realignment

Updates and announcements

Work begins at Guanna Hill on highway upgrade

4 April 2016
Minister for Roads Duncan Gay and Member for Orange Andrew Gee today marked the start of work on the $40 million Guanna Hill upgrade on the Mitchell Highway between Orange and Molong.

This section of the Mitchell Highway is the final stretch of road to be upgraded along this route, and is known for its tight curves and limited overtaking opportunities.

The Guanna Hill upgrade is critical to the community, with a large number of residents commuting to work daily between Molong and Orange.

The upgrade will deliver a safer, wider, two-lane rural road with a 100 km/h speed limit, and sealed road shoulders.

FKG Group has been awarded the major work tender for the Guanna Hill realignment on Mitchell Highway between Orange and Molong.

For more information please see the media release.

Ian Gosper, Mayor of Cabonne Shire Council, Andrew Gee, Member for Orange and Duncan Gay, Minister for Roads and Freight turn the first sod for the Guanna Hill realignment project.

Project background

The Mitchell Highway forms part of the Sydney to Dubbo corridor. It is an important route for freight and livestock transporters, local commuters, tourism operators, caravanners and holiday makers.

A large number of people commute daily between Molong and Orange for employment and recreational activities. Heavy vehicles make up to about 16 per cent of the daily traffic.

This narrow section of the highway has a high crash rate, no overtaking opportunities, many tight curves and a rough road surface.

The Sydney to Dubbo corridor strategy 2007 identified continuing safety improvements as a short term priority in rural locations on the Mitchell Highway.

Project objectives

The project objectives include:

  • Realigning the Mitchell Highway to include an overtaking lane to bring the highway up to 100 km/h standard.
  • Reducing travel times.
  • Providing a smooth road surface.
  • Improving safety by reducing the crash rate.

Key features

Key features of the Guanna Hill realignment include:

  • Construction of 7.2 kilometres of two-lane, two way rural road with a 100 km/h posted speed limit
  • Provision of 3.5 metre wide lanes and two metre wide sealed shoulders (one metre when next to the overtaking lane)
  • Provision of a 1.6 kilometre eastbound overtaking lane at the southern end of the road
  • Protected right turn bays at the Strathmore Lane and Guanna Hill Lane intersections.

Community engagement

Roads and Maritime Services is continuing consultation with affected residents and road users.

What types of issues has the community been consulted on?

The community has discussed many issues, including: 

  • Local school bus collection points during and after construction.
  • Local and access roads.
  • Property acquisitions.
  • Noise and vibration levels during construction.
  • Environmental issues.
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