Roller Brake Test

A roller brake test gives a quantified measurement of braking performance. It is not in itself proof of a compliant maintenance system, but it is one of the clearest pieces of evidence available to show that braking systems are being checked, that problems are being identified and that remedial work is being followed through. A folder of printouts that nobody has reviewed or acted upon does not demonstrate any of that.

DVSA guidance on maintaining roadworthiness is the relevant reference point for operators reviewing brake testing requirements: Guide to Maintaining Roadworthiness.

What brake test evidence is actually being assessed

When a DVSA examiner, auditor or Traffic Commissioner reviews brake testing records, they are not simply checking that tests were done. They will look at the frequency of testing and whether it was appropriate for the vehicle type and usage. They will consider whether tests were carried out under loaded or unladen conditions and what that means for the evidential value of the results. They will check whether imbalance, low efficiency or bind issues were identified, what remedial work followed and whether a retest was carried out and recorded.

A pattern of unladen testing with borderline results and no evidence of investigation raises questions. A series of failed tests with no documented remedial action raises serious ones. Retest records that do not clearly link back to the original failure leave the evidential chain incomplete.

Loaded versus unladen testing

This is one of the most common points of discussion when brake testing records are reviewed. An unladen test on a vehicle that operates heavily loaded will produce different results from a loaded test. DVSA guidance makes clear that loaded testing provides a more representative picture of braking performance under operating conditions. Operators who rely exclusively on unladen testing should understand the limitations and be prepared to explain their approach.

What a roller brake test review can cover

• Whether brake tests are being completed at intervals appropriate for the vehicle type and operation.
• Whether tests are properly linked to PMI inspections and maintenance records.
• Whether loaded testing is being carried out where it is appropriate to do so.
• Whether imbalance, low efficiency, bind or fluctuation results have been properly investigated and remediated.
• Whether retest evidence is present after repairs or brake adjustments.
• Whether records support the operator licence undertakings given on the Vehicle Operator Licensing system.
• Whether the Transport Manager or responsible manager is actively reviewing results and acting on findings.
• Whether weak records could create avoidable difficulties during a DVSA visit, public inquiry or compliance audit.

When to seek support

After failed brake results or repeated advisory comments. When testing has been inconsistent or unladen across a fleet that operates loaded. When maintenance provider changes mean the evidence chain has a gap. Before an operator licence application, renewal or variation where the maintenance file needs to be in good order. When a wider compliance review identifies that brake testing records are incomplete or poorly linked to the rest of the maintenance system.

Early review is almost always easier than attempting to explain poor records retrospectively. Where DVSA or the Office of the Traffic Commissioner is already involved, any operational review should be coordinated carefully so that records, explanations and corrective actions present a consistent picture.

Making an enquiry

Licence type, fleet size, vehicle type, operating centre, PMI frequency, maintenance provider and the specific reason for the review are all helpful. Roller brake test printouts, PMI sheets, maintenance invoices, defect reports, retest records and OCRS information can all support the review. Related services for Brake Testing and PMI Inspection support may also be relevant.