The level crossing near Merinda Park Station has gone and we’ve added extra lanes and traffic lights on Thompsons Road to improve safety and travel times.


Frankston-Dandenong Road roundabout upgrade works

While we put the finishing touches on the duplication of Thompsons Road, works have now started to upgrade the roundabout at Frankston-Dandenong Road and Thompsons Road to traffic lights.

From November 2019 until further notice, we’ll reduce the roundabout from three to two lanes in all directions.

Long delays are expected at this major intersection. If possible, please seek alternative routes, especially during peak periods.

Last piece of the puzzle  

More than 58,000 vehicles travel through the Frankston-Dandenong Road roundabout at Thompsons Road every day, making it an extremely busy freight and transport link in the east-west corridor of Melbourne’s south-east.

Originally funded to be delivered as part of the Suburban Roads Upgrade package, construction of this roundabout has been brought forward to allow for delivery of this upgrade up to three years earlier than planned.

That means heavy congestion at this roundabout will soon be a thing of the past. We’ve now started work to transform it to a fully-signalised intersection that will improve traffic flow and ease congestion, linking it to the recently completed new lanes on Thompsons Road.

By the time the project is finished later in 2020, there will be three lanes travelling through the intersection and two right turn lanes at all approaches, providing a more reliable and smoother journey for vehicles travelling through the intersection.

We’re also building dedicated left turn slip lanes on each approach to the intersection, so vehicles can turn left without affecting the flow of the through traffic.

All of this will mean that more vehicles can get through the intersection on each light sequence.

The traffic lights will be demand based and use detectors to determine the time to be allocated to each direction of traffic in real time.

While works have started with careful forward planning to deliver the job as soon as we can, there’s a lot of work involved to transform a roundabout to traffic lights.

Construction will be ongoing until late next year with major disruptions expected as we reduce lanes at the roundabout to make way for crews and machines to work behind the safety barriers. That means traffic conditions in this area will be worse before it gets better.

Please look out for signage to guide you through and around our works zone. We strongly encourage you to plan your trip ahead and, if possible, find alternate routes to avoid this area.

We’ll endeavour to complete the works as soon as possible and thank you for your understanding and patience during this important upgrade.

Final work on the new lanes on Thompsons Road

From October to December 2019, we’ll be laying the final asphalt across sections of the newly duplicated Thompsons Road. We’ll reduce Thompsons Road to one lane in each direction and work at night while there are fewer cars on the road.  In some areas we may need to set up overnight detours to complete these works.

With concreting, permanent street lighting, and landscaping wrapping up, all work on the duplicated Thompsons Road will be fully completed by the end of the year. At the same time, we’ll be gearing up to open the shared walking and cycling path across the project.

As part of this upgrade, we’ve:

  • duplicated Thompsons Road between Frankston-Dandenong Road and Berwick-Cranbourne Road, with at least two traffic lanes in each direction
  • replaced the roundabouts at Western Port Highway, McCormicks Road, and Evans Road with traffic lights
  • built new road and new traffic lights at Merinda Park Boulevard.

View a larger version of the map (PDF, 173.1 KB)

10.7kms of new lanes

New walking and cycling paths

New bridges over train line and level crossing removed

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