A key element for the successful maintenance of a road network is accurate, reliable and consistent survey data. To this aim Highways England commissions annual accreditation trials for the Dynamic Plate test devices (FWDs and HWDs) supported by ongoing QA for the devices. In order to undertake accredited surveys, the survey devices are required to meet the mandatory criteria of the trial.


This report covers the 2014 trial run by TRL and held on the Horiba-MIRA proving ground between 11th and 12th November 2014.

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