Public Transport Interchange Project

The Public Transport Interchange Project aimed to enhance and upgrade seven major interchanges in Sydney, including Central, Gordon, Randwick and Katoomba.

GTA, as the lead consultant in conjunction with RPS and Northrop, was engaged by TfNSW Transport Projects to prepare scoping studies of seven interchanges: Central, Canley Vale, Gordon, Randwick, Blacktown, Katoomba and Baulkham Hills. Our job was to provide Transport Projects with a package of upgrade works for the interchanges to accommodate growth to 2036.

The studies involved inspecting existing interchange facilities, observing travel patterns and pedestrian and cyclist behaviour, consulting with key stakeholders including TfNSW and local councils, and determining strategic user requirements for the interchanges to inform the development of concept designs that were prepared by GTA. Through the inputs from RPS, GTA also considered the transport and land use integration at each interchange.

Outcomes of the studies included a list of improvement items for the interchanges and any potential issues, including impact of works on pedestrian facilities and movements. A number of these interchanges included a review of the existing commuter car parks, specifically the design, size, safety and security, as well as pedestrian access to and from the interchange. The scoping studies then fed into the TPD internal process of developing business cases for each interchange, as part of the $770 million Transport Access Program.



Client // Transport for New South Wales

GTA Office // Sydney


creating, guiding, delivering


GTA Consultants is delighted to have been recognised as the winner in the 2017 Financial Review Client Choi 

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GTA Consultants is delighted to have been recognised as the winner in the 2017 Financial Review Client Choice Awards ( in the Consulting Engineering category for firms with a Revenue under $50M. The Managing Director of GTA, Michael Durkin said " We couldn’t be happier. To win this award two years in a row is real recognition of the hard work, professionalism and client focus of all our staff”  

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