'Mind the Gap': Reducing Incidents at the Platform Train Interface

Accidents during boarding and alighting cost over £10m each year. While there is a reduction in passenger harm overall, the number of incidents at the interface between platforms and trains is rising. How can the industry reduce these incidents?

​Our research investigated how differences in the designs of passenger and freight trains, and in the designs of the stations and platforms that they pass through, result in a wide variety of step and gap arrangements.  Anthropocentric modelling was used to identify optimal step and gap dimensions to reduce boarding and alighting risk.  We have also examined the extent to which train design factors, such as footsteps, and station and platform conditions can improve or exacerbate passenger performance.

Simple step-gap measurement tool.

Topics covered:

  • Step and gap dimensions
  • Train and platform design
  • Boarding and alighting risk
  • Passenger performance


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