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Challenge / Goal

  • Analyze continuously the vibrations generated on the tunnel wall by the Metro units passing by.
  • Determine if any particular unit generates an anomalous level of vibration in order to stablish a priority maintenance.


  • Installation of a continuous vibration measurement sensor on the tunnel.
  • Gather the vibrations generated by the passing units during the working times of the line.
  • Analyse the data to determine the influence of those vibrations on the structure and to prioritize the maintenance of the units generating anomalous vibration levels.

Citizen participation

Social complaints about the effect of vibrations on the surrounding buildings.


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Time period

Planning time: 6 months to 1 year

Implementation time: 6 months to 1 year


AV Enginyers - Trafag - GradeSens

Service providers

AV Enginyers - Trafag - GradeSens

End users

Metro Barcelona Operator. Neighbours around the infrastructure.

    Main benefits

  • Enhanced data analysis

  • Improving traffic management

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