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This undertaking should be signed by every operator taking part in the Department for Transport’s (DfT’s) longer semi-trailer trial in line with our guidance.
By signing the document operators are agreeing that they will:
present the longer semi-trailers to Driver and Vehicle Standards Agency for annual roadworthiness testing
provide data to DfT’s contractors, Risk Solutions, for the purposes of monitoring the trial
ensure that drivers are appropriately trained
inform the Department for Transport immediately if a longer semi-trailer is involved in a serious accident