Client Information

Roads & Maritime Services
March 2018 — January 2020
Scone, NSW
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To the west of the township of Scone, Daracon was commissioned in 2017 by Transport for NSW to construct a 5.5km bypass of the A15 New England Highway, through the Kingdon Ponds floodplain.

Scope of Works

  • 5.5km of new two lane highway
  • Utility relocation and protection works
  • Multi-cell box culvert crossings
  • Heavy bound pavement with SMA wearing course
  • At-grade connection at St Aubins Street, including road upgrade of St Aubins Street
  • At-grade connection with the existing and realigned New England Highway on the northern side of town
  • Removal of existing intersection on the New England Highway with Makybe Diva Street and new roundabout intersection on Makybe Diva Street
  • Approximately 215,000m³ of imported fill material
  • Construction of a bridge over Kelly Street South Loop (the overall length of this bridge was 64.5 m and consisted of three spans, each 21.5 m in length, with the central span crossing over Kelly Street)
  • Grade-separated connection with the existing New England Highway
  • Construction of a bridge over the Main Northern Railway (the overall length of this bridge was 99.5 m and consisted of three spans, two spans that are 33.23m on a 50 deg skew and one span was 33.0m in length, with the central span crossing the existing rail line)
  • Construction of a bridge over Parsons Gully with an overall length of 540m that consisted of twenty spans, each 27m in length


  • Management of community aspects and impacts associated with increased traffic generation associated from construction traffic, noise, air quality and vibration
  • Transportation and delivery of large concrete pre-cast bridge structures to site from offsite casting yards

  • Working over and adjacent to a live rail line posed various risks including WHS, constructability and program

  • The alignment of the bypass corridor was located within a floodplain
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