Construction on The Northern Road upgrade between Old Northern Road and Peter Brock Drive started in February 2016.
Building has started on the southbound bridge over Narellan
Creek. A major traffic switch was completed in June 2017.
3.3 Kilometres of Road
3.3 Kilometres of shared pedestrian cyclist path
80 Kilometres per hour speed limit
Four intersection upgrades with traffic light improvements at three of them
Bus priority lanes in each direction
Two new bridges over Narellan Creek
Building the southbound lanes including earthwork, drainage and road surfacing
Install new traffic lights at intersection with Porrende Road, Hillside/ Governor Drive and Cobbitty Road
Finish the shared path, landscaping and signage in early 2018.
About 11.3 Kilometres of road
About 11 Kilometres of shared pedestrian and cyclist path
Nine new intersections with traffic lights and a further six intersections to be upgraded
Wide shoulders in both directions
Existing bridge at Thompsons Creek replaced with twin bridges
An interchange to separate vehicles on The Northern Road and Bringelly Road for better traffic flow with The Northern Road passing under Bringelly Road.
A new connection from Robinson Road to The Northern Road and an off-road shared path for pedestrians and cyclists.
Changes to access for some properties along The Northern Road, Bringelly Road and Robinson Road.
Construction has already commenced and is due to be completed by 2020.
The construction will continue on The Northern Road through to Mersey Road and Glenmore Parkway then from Glenmore Parkway to Jamison Road. Construction has commenced and will continue in sections.
Source: Roads and Maritime NSW