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The science and analytical tools to design long life, low noise railway track systems

United Kingdom
United Kingdom Flag
Geo-spatial type
Project website
Project Acronym
STRIA Roadmaps
Infrastructure (INF)
Transport mode
Rail icon
Transport policies
Societal/Economic issues,
Environmental/Emissions aspects,
Transport sectors
Passenger transport,
Freight transport


Background & Policy context

A reduction in CO2 emissions from transport will require a massive shift from road to rail, itself a challenge as even a 10% shift in the UK would double rail traffic. This is on top of a doubling in rail travel and increased intensity of use of the network since 1994, exposing the limitations of traditional track forms as real-time maintenance needs increased and the time available for maintenance reduced. The rail industry is also under pressure to reduce costs and environmental impacts including noise and vibration, often a major cause of objections to proposed new and upgraded lines.

The contribution of rail transport to social wellbeing, regeneration, and growth is well established; and rail is now seen as the key to unlocking prosperity, improving east-west connectivity in the UK and reducing the north-south economic divide. Planned UK and international rail investment is unprecedented in a century, but increased demands and expectations have revealed gaps in the knowledge needed for effective, rational investment. Scope for cost savings and improved environmental performance through better track system design and longevity is substantial: Network Rail currently spends £3.5bn p.a. on infrastructure maintenance and renewal, and will invest £38bn in 2014-9.

  1. Track life: track maintenance is costly in cash and carbon terms, and interferes with operations. T2F will explore new, low-maintenance track forms. It will develop an understanding of the relationships between track stiffness and settlement, which can be measured, and differential movement of the track, which causes performance to deteriorate. It will extend ballast life by understanding and eliminating or mitigating causes of deterioration and developing designs that will continue to perform well long after deterioration has set in; and will facilitate ballast re-use rather than downcycling or disposal.
  2. Switches (points) and transitions: where trains change direction and cross tracks or other infrastructure there is a complex interaction of geometry, support, wheel profile and vehicle dynamics. This is not sufficiently understood and frequent costly and disruptive maintenance is required. T2F will draw together the key areas of ground support, switch or transition zone geometry, and vehicle dynamics for the reliable assessment of crossing and transition zone behaviour, life and maintenance needs.
  3. Noise and vibration: public tolerance of vibration and noise from railways is decreasing as use intensifies, yet these are traditionally regarded as secondary in design. T2F will develop and demonstrate, through modelling and full-scale testing, a low-noise, low-vibration track consistent with reduced whole life costs and low maintenance.

T2F will address the effects of millions of cycles of complex loads to which track systems are subjected in a modern environment, taking into account the combined effects of noise, vibration, vehicle dynamics and ground behaviour, non-uniformities of loading and non-linearities in response.
Methods will include 3D FEM, numerical DEM, vehicle dynamics and noise and vibration modelling; field monitoring of existing infrastructure and test sections of proposed interventions in full scale trials or demonstrations; laboratory testing at scale and full size; and integrated modelling of whole life technical performance, economic and environmental costs and benefits of interventions and modifications developed in the programme.


Parent Programmes
Institution Type
Research agency
Type of funding
Public (national/regional/local)
Funding Source


Lead Organisation
EU Contribution
Partner Organisations
EU Contribution


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