Bells Line of Road corridor improvement program
Project overview
The NSW Government is delivering a $48 million program to improve road traffic efficiency on Bells Line of Road between Lithgow and Kurrajong Heights. The program, which started in 2014 includes seven new overtaking lanes and safety improvements at three sites on Bells Line of Road.

Latest news
Dec 2017 - Overtaking lane at Site Six now open to traffic
As part of the final stage of work Roads and Maritime has built a 700 metre eastbound overtaking lane at Site Six on Bells Line of Road approximately 100 metres west of Mount Tootie Road and east of Horsfield Road. The improvements were opened to traffic on Wednesday 20 December 2017.
For more information please view or download the end of work letter (PDF, 211Kb).
Project information
Background
In 2012, the Australian and NSW governments completed a long term strategic plan for the Bells Line of Road corridor to identify improvement works and set priorities for the next 20 years and beyond.
The plan recommended safety and traffic improvements for the existing route along the Bells Line of Road corridor. There were 10 identified sites for Bells Line of Road between Kurrajong Heights and Bell.
The project map highlights the seven overtaking lanes proposed to improve safety and efficiency along the corridor.
Project objectives
The program of work includes:
- site 1, a westbound overtaking lane, on Bells Line of Road, four kilometres west of Kurrajong Heights
- site 2, an eastbound overtaking lane, east of Glenara Road and Pittmans Road, Kurrajong Heights
- site 3, a westbound overtaking lane, starting 300 metres west of Tadrosse Lane, Bilpin
- site 4, a westbound overtaking lane, 8.5 kilometres west of Kurrajong Heights
- site 6, an eastbound overtaking lane, 100 metres west of Mount Tootie Road
- site 7, a westbound overtaking lane, between Old Bells Line of Road and Berambing Crescent
- site 8, widening the road in both directions and creating a centre median, between 800 metres north of Pierces Pass turn off, continuing toward Bell for 1.4 kilometres
- site 9, widening the east and westbound lanes about 4.2 kilometres east of Darling Causeway
- site 10, widening the east and westbound lanes about 2 kilometres east of Darling Causeway
- site 11, an eastbound overtaking lane 11 kilometres west of Bell
- slope improvements at Mount Tomah.
Benefits
The key benefits to the community include:
- improved traffic efficiency for road users
- improved road safety.
Contact us
For further information about this project, please contact:
Phone: 1800 332 660 (DM Roads) (toll free)
Email: enquiries_nsw@dmroads.com.au