Works are set to commence on the Great Eastern Highway and Fauntleroy Avenue intersection in Ascot.
Minister for Transport, Dean Nalder, said Main Roads Western Australia had contracted MACA Civil Pty Ltd to perform the works.
"Great Eastern Highway will be widened to provide shared left-turn pockets, bus priority lanes, dedicated right-turn lanes and U-turn access for both westbound and eastbound traffic, as well as modifying the traffic signals,” Nalder said.
"Later in 2016, the nearby intersection of Coolgardie Avenue will also be upgraded to provide dedicated right-turn lanes for Great Eastern Highway traffic in both directions.”
The $4.8 million project is expected to be completed by the end of this year, and will involve the closure of Brearley Avenue.
The project is the first in a series of roadworks planned to facilitate the Forrestfield-Airport Link development.
"Once this closure is in place, north and southbound Tonkin Highway traffic will be directed to the domestic airport through the new Dunreath Drive link,” he said.
"Only traffic heading to the domestic airport from the east is expected to use Fauntleroy Avenue to access the terminals."
The $2 billion Forrestfield-Airport Link will provide a rail link to connect Forrestfield to the city.
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