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How ARRB research is helping fix the M1

by Australian Road Research Board on August 20, 2018

ARRB’s research is being used to help alleviate congestion on one of Australia’s busiest roads.

ARRB has delivered the Queensland Government a report into changes introduced to the busy M1 motorway between Brisbane and the Gold Coast during the 2018 Commonwealth Games.

As a result, the Queensland Government will now introduce variable speed limit signs to reduce the frequency and severity of crashes and improve travel times.

Transport and Main Roads Minister Mark Bailey released the findings of the M1 review, and said it made sense that congestion-alleviating variable speed limits should be introduced on the state’s busiest road.

“Congestion variable speed limits are already in place on the Bruce Highway and Logan and Ipswich Motorways, and are proven to help reduce crashes and improve travel times by minimising stop/start congestion patterns with smoother traffic flows,” he said.

“When you are travelling at a lower speed, braking is more effective. This reduces your chance of having a crash and reduces the flow-on effects to other drivers.”

ARRB’s research revealed during the temporary speed limit reduction, an AusRAP Assessment of the Safety Star rating of the M1 rated four stars for 99 percent of the M1 between Eight Mile Plains and Gaven, up from 81 percent.

 

Ramp metering was also implemented at two southbound on-ramps (Gold Coast Highway and Smith Street), reducing congestion by up to 22 percent on average during peak periods, according to the report.

“Ramp metering will also form part of the Palaszczuk Government’s plan to tackle congestion and improve safety on the M1,” Mr Bailey said.

“We will now get a detailed implementation plan underway which will include timeframes and extensive community and stakeholder engagement.”

The Queensland Government will also permanently introduce the Trucks Use Left Lane (TULL) initiative on the M1.

Mr Bailey said ARRB research showed the introduction of the TULL initiative along the M1 produced positive results for vehicles.

You can find ARRB’s report into the M1 here

 

 

Topics: ARRB News, Asset Management, Research, Transport Data, Road Safety, Road Infrastructure, Road and Transport Research