A key element in the successful maintenance of a road network is the availability of accurate, reliable and consistent survey data. To this aim, Highways England commission annual accreditation trials for Sideways Force Skid Resistance devices 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 2016 trial run by TRL and held on the Horiba-MIRA proving ground between 5th and 7th April 2016 and on the Longcross test track on 8th April 2016.

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