Epping to Thornleigh Third Track

New South Wales
Contract type
Transport for NSW
  • Transport
2013 to 2016

Extra capacity for freight and passenger services

CPB Contractors delivered the Epping to Thornleigh Third Track (ETTT) project for Transport for NSW. 

The ETTT Alliance, consisting of TfNSW with CPB Contractors and Abigroup, designed and constructed the $265 million project, including approximately 6km of new track, three turnouts, bridge works and station works at Cheltenham, Pennant Hills and Beecroft. 

By providing additional northbound paths for freight trains, the project has significantly reduced waiting times and increased the reliability of both freight and passenger services.

The Alliance team integrated civil, track, electrical and signalling specialists to safely and efficiently deliver all project outcomes. We were responsible for all work aspects, including cost, design, construction, safety, quality, environmental approvals and community relations.

ETTT is a key component of the Northern Sydney Freight Corridor (NSFC) Program to upgrade the 155km Main North Line (carrying passengers and freight) between Sydney and Newcastle.

Scope of work:

  • Construction of approximately 6km of new track on the western side of the existing track between Epping and Thornleigh;
  • An access upgrade to Cheltenham Station to make it compliant with the Disability Discrimination Act (1982), including the construction of a small concourse for ticketing facilities, and new lifts and stairs to provide access to platforms;
  • Modifications to the pedestrian underpass and commuter car park at Beecroft Station (retaining existing numbers of parking spaces);
  • Construction of a new rail bridge crossing the M2 Motorway and Devlins Creek;
  • Extension of Pennant Hills Station concourse, including a new lift and stairs, modifications to the Yarrara Road footpath and roadway, and a replacement footbridge south of the station;
  • Widening of a number of cuttings along the alignment to accommodate the new third track; and
  • Modifications to existing services within the rail corridor and in some public areas.

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