Wed. Aug 10th, 2022

Gungahlin Light Rail Terminal

The ACT government says it is obliged to be upfront about the delays in the road network that the light rail construction will cause. Photo: Damien Larkins.

Traffic lights will be installed at the Coranderrk Street roundabout on Parkes Way to ease the expected pressure on the road network during the construction of phase 2 light rail.

According to Transport Minister Chris Steel, construction on the traffic lights will begin in the first half of 2022 and will be timed to be completed when the major work of erecting the London Circuit begins.

Steel said the roundabout is already notoriously bottlenecked and the traffic lights will “better regulate traffic flow and improve the capacity of the intersection”.

Antenna, ap

The Coranderrk Street roundabout on Parkes Way. Image: Screenshot.

“This roundabout currently has a dominant westbound traffic flow in the morning, causing great congestion for eastbound traffic entering the city and the parliamentary triangle from areas such as Belconnen and Tuggeranong,” he said.

The Minister expects that traffic will increase significantly when construction begins thanks to other roadblocks and works.


ALSO READ: Audit report questions the costs and benefits of light rail phase 2A


Lane closures and works on Commonwealth Avenue will mean that traffic will have to be diverted via Kings Avenue, Tuggeranong Parkway and Monaro Highway.

With the new lights, the minister said, 20 percent more cars will be able to leave Parkes Way on Coranderrk Street per hour.

The westbound turn lanes at the roundabout will also be widened to improve the storage capacity of the new lights.

The ACT Government’s estimates suggest that this will mean that approximately 250 more eastbound vehicles can leave Parkes Way to Coranderrk Street in rush hour traffic each morning.


ALSO READ: ACT Budget: New schools, light rail station in infrastructure pipeline of 5 billion dollars


Road cameras will also be installed so that the intersection can be controlled from ACT’s Traffic Management Center, making it possible to control the timing of the lights to optimize traffic flow.

While the National Capital Authority manages the roundabout (NCA), the ACT government has funded the upgrades through the ACT budget 2021-22.

As part of the broader light rail works, the ACT government also plans to temporarily signal the north side of the Vernon Circle to allow safe right turns to Constitution Avenue and the London Circuit for buses and other vehicles heading north.

He said the government is committed to being in advance with the community regarding the upcoming delays.

The next phase of the light rail, 2A, will take the current tracks to Commonwealth Park.

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