The road provides a free-flowing link between Morley and Muchea, helping to double road capacity and improve journey times.
Road users travelling from Kewdale to Muchea can now avoid up to 16 sets of traffic lights, two railway crossings and 21 speed limit changes.
A range of major construction companies have worked on different sections of the NorthLink since 2016.
Prime Minister Scott Morrison said the third and final section of the project, a 22-kilometre dual carriageway highway between Ellenbrook and Muchea, will transform how traffic enters and exits Perth from the state’s north.
“The opening of the final section means road users, particularly freight, can now realise the full benefits of the 37-kilometre highway,” the Prime Minister said.
“NorthLink WA has also supported around 7000 direct and indirect jobs for Western Australians throughout its construction.”
Federal Minister for Population, Cities and Urban Infrastructure Alan Tudge said NorthLink WA was a vital, state-of-the-art transport link between Morley and Muchea that would support the north of Perth for generations.
“So many areas of Perth will benefit, for example it will divert 80 per cent of heavy vehicles away from local roads and improving connection throughout the Swan Valley for residents and the 600,000 tourists visiting the area each year,” Mr. Tudge said.
Western Australian Minister for Transport and Planning Rita Saffioti said the new Tonkin Highway will be capable of carrying more than double the current number of vehicles.
“A round trip between the major freight hubs of Kewdale and Muchea will save around 20 minutes, which is a great boost to productivity,” Ms. Saffioti said.
“NorthLink WA has been a major feat of collaboration across successive governments, having initially been funded in the 2013 Federal Budget as the Swan Valley Bypass, and continued under the current state and federal governments.”
A new Principal Shared Path, around 42 kilometres long has also been completed from Railway Parade in Bayswater to Muchea.
The NorthLink WA project was jointly funded with the Federal Government providing $820.84 million and the Western Australian Government $204.06 million.
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