Keeping communications open in Sydney's WestConnex

In 2020 NSW Telco Authority was commissioned to provide Public Safety Network (PSN) coverage for the WestConnex M8 motorways, a critical part of the NSW Government’s Rozelle Interchange project. This mega tunnel connects Sydney’s west and southwest with the Central Business District. After four years of construction, the project was officially opened to all commuter traffic in late 2023, marking a significant milestone for Sydney’s transport and urban planning. 

M4 motorway at night
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Challenge

The WestConnex project presented a unique challenge for emergency communications in the tunnel. Traditional outdoor signals usually can’t penetrate deeply into constructed tunnels. This creates significant coverage gaps that could hinder emergency response communications.

First responders, such as NSW Fire and Rescue, NSW Ambulance and other essential services, require reliable PSN coverage within the tunnels when attending emergencies and incidents.

Solution

To address this challenge, NSW Telco Authority deployed a comprehensive In-Building Coverage (IBC) solution. This IBC system expanded the reach of the PSN deep underground, bridging the coverage gap within the Rozelle Interchange tunnels.

Outcome

The expansion of PSN coverage into the tunnels has resulted in continuous, reliable communication for emergency services. This significantly improves safety responses for WestConnex commuters in underground environments where traditional communication methods often fail or are inadequate. This IBC solution boosts both safety and operational efficiency in one of Sydney’s most critical transport linkways.

Further information

To find out more about In-Building Coverage managed by NSW Telco Authority, visit our In-Building Coverage page or email TelcoComms@customerservice.nsw.gov.au.  

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