The Central Coast Highway begins at Kariong and travels along a number of Central Coast roads (including The Entrance Road) until it meets the Pacific Highway at Doyalson. This route provides an important connection between the M1 Pacific Motorway and Gosford, from Gosford to Erina and The Entrance through to Doyalson.
This intersection upgrade was completed in November 2015 and involved widening and realigning Brisbane Water Drive and Manns Road to fomr a single intersection with traffic lights.
Roads and Maritime has completed an upgrade to improve traffic congestion and safety and this 4.4 kilometre section used by up to 28,000 vehicles a day.
The upgrade was delivered in two stages:
- Stage 1 between Carlton Road and Matcham Road was completed in November 2012.
- Stage 2 between Matcham Road and Ocean View Drive was completed in December 2013.
The adjoining sections of the Central Coast Highway to the south (Terrigal Drive to Carlton Road) and to the north (Ocean View Drive to Tumbi Road) have also been widened to four lanes.
This upgrade to improve safety and traffic flow was completed in November 2017 and involved providing a left turn lane with traffic light control for vehicles turning on to Racecourse Road and for vehicles turning from Racecourse Road onto the Central Coast Highway.