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Core capabilities


Seymour Whyte has delivered hundreds of complex transport infrastructure projects, ranging in value through various contractual arrangements. This includes construct only, design and construct, early contractor involvement and alliances.

We hold the highest level of road and bridgework prequalification and third party accredited management systems in quality, environment and safety, including accreditation to the Federal Safety Commissioner Accreditation Scheme.

Seymour Whyte employs the best people who bring the right skills and technical capabilities throughout all stages of project delivery. Regardless of location, contractual arrangement and the challenges presented, we consistently deliver safe, quality and cost-effective transport assets to our clients.


Seymour Whyte has been responsible for the successful delivery of many major road projects and understands that sequencing of works involves considerably more than the physical construction.

Our experience covers the full range of engineering and design and construction services associated with building our nation’s road network. Our diverse range of services include:

  • Carriageway construction and surfacing
  • Drainage and public utility service works
  • Car parks, pathways and cycleways
  • Intersections and roundabouts
  • Smart technology installation
  • Street lighting, signalisation and hard / soft landscaping
  • and much more

Our ability to draw on the global expertise of VINCI enables us to tackle some of Australia’s most challenging roading projects. We are committed to creating safe, efficient and reliable journeys for Australians.

Bridges and structures

We are highly experienced in the design and construction of complex structures, having successfully delivered hundreds of bridges and structures across the nation.

Our self-perform and leadership expertise covers:

  • Super T bridges
  • Precast beam bridges
  • In-situ balanced cantilever bridges
  • Cable stayed bridges
  • Steel bridges
  • Gantries
  • Tunnels
  • Culverts

We have a long history of quickly mobilising resources to meet challenges effectively and professionally, thoroughly understanding what is critical to successful structural works.

Careful planning through project setup, inductions, pre-start inspections, lift solutions, temporary works, safe working methodologies, quality assurance and the ability to be nimble, all ensure that our works are delivered safely within the tight tolerances typically needed for complex structural works.


We combine longstanding experience in the civil sector with our in-house and cross-sector capabilities from the wider VINCI group which enables customised and competitive services for specialist railway projects.

With VINCI, we bring expertise in freight, passenger, tram and light rail network capability covering:

  • New railway construction including standard, narrow and broad gauge trackwork
  • Construction, tie renewal, turnout replacement and concrete re-sleepering
  • Station platforms and buildings
  • Level crossing renewal and upgrade (pedestrian and vehicle)
  • Embankments, earthworks, retaining walls, tunnel day-lighting, drainage and underground services
  • Signalling and electrification works

Seymour Whyte has a Zero Harm safety objective, instilled as a highly visible organisational priority – to protect our people, to protect the community and to meet our client’s expectations that their projects meet the highest safety standards.

Our safety program is not a ‘set and forget’ initiative, but a continuous improvement regime that is driven by our senior leaders and involves every person at every level in the workforce. Dedicated health and safety experts develop special procedures and policies for the rail sector to achieve the goal of Zero Harm for both employees and contractors. Rail possession plans are implemented by trained and skilled personnel ensuring the safety of our workforce and protection of rail operations.

Project management is the core capability which enables Seymour Whyte to operate effectively in the rail sector. Effective systems supported by targeted training ensures that the quality of rail infrastructure delivered, meets our client needs.

Seymour Whyte’s diversity, scope and depth of experience, combined with a highly skilled, multi-disciplined team, provides our rail clients with an integrated and collaborative partner to deliver sustainable and innovative rail infrastructure solutions.


Seymour Whyte pushes the boundaries of contractor excellence. As a project partner, we have consistently demonstrated the commitment required to successfully deliver airport infrastructure, overcoming the complex logistical constraints associated with working in live airports.

VINCI Airports is developing, financing, building and operating over 40 airports, optimising the performance of existing airports and delivering airport extension or new-build projects. VINCI Airports is ranked among the world’s top five operators in this sector. To enhance our services, we partner with VINCI Airports to bring extensive experience in the delivery of high-profile turnkey works. This provides our clients with a holistic asset that considers design, construction, commissioning and the operational needs of an airport including engineering and safety assurance.

Ports and marine

At Seymour Whyte, we have access to a team of skilled professionals who successfully blend world-class expertise with hands-on experience to deliver a wide variety of marine engineering solutions and provide our clients with the best means of port infrastructure delivery and support.

Our port infrastructure key capabilities and experience include:

  • Design and construction of wharves, jetties, marinas and associated hardstand pavements, bridges and access roads
  • Construction of reclamations, dredging, sea walls, breakwaters, pipelines and shore protection works

We are a team that combines a deep understanding of collaborative working through ECI, design, construction and commissioning phases of a project. We bring the experience, skills and resources needed to construct technically and commercially challenging ports and marine infrastructure.

Read more about our transport projects