New on-ramp configurations will be implemented on all Mitchell and Kwinana freeways by April.

New merging lines for Perth freeways

The federal government will spend $8.5 million to change the traffic lines on all Mitchell and Kwinana freeway on-ramps in an effort to improve traffic merging and remove the stigma widely associated with Perth drivers.


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Great idea, but its only a stop gap measure. With more and more trip distances being increased due to commuters living at the outskirts of the Perth Metro Area, this will have minimal effect.

What we need are more freeway lanes. The train line is great, but due to limited parking at the train stations, and limited coverage and frequency of buses connecting train stations to the suburbs (when compared to Sydney and Melbourne), which makes it difficult for many to get to and from home and to and from the workplace to the train station in a timely manner, people are still going to drive. We need more lanes to cover for the increase vehicle traffic.

Regardless of traffic volumes, traffic flow for given volumes is a major problem compared to other major Australian cities, more efficient use of the road asset is possible if merging is improved and if the "keep left unless overtaking" is promoted on freeways. Freeways in Perth are poorly utilised and such high cost infrastructure should be used to their full potential, this means encouraging smarter driver behaviours.

The Kwinana Freeway $77.5 million upgrade [Aug 2015] between Roe Highway and Russell Road has been excellent. One of the key advantages is the extension of the three lanes on the freeway under the Roe Highway Bridge, with vehicles exiting [south] from Roe Highway now joining the freeway using a dedicated lane. Before this was built, merging three lanes into two at this junction of Kwinana Fwy & Roe Hwy was a nightmare. It is about widening lanes where necessary, but not everywhere.

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