The Operator Compliance Risk Score (OCRS) decides which vehicles the DVSA stops. Simulate future events to see how many clean checks you need to get back to Green.
The Operator Compliance Risk Score (OCRS) is the DVSA’s risk-rating system for HGV and PSV operators. It scores your roadworthiness (maintenance) and traffic (drivers’ hours and traffic offences) records separately, using weighted points from roadside encounters and inspections over a rolling three-year period — recent events count most. The lower your score, the better: operators are banded Green (low risk), Amber, Red (high risk — far more likely to be stopped) or Grey (too little data). The calculator below lets you model how future clean checks, fails or prohibitions would move your band, and roughly how many clean encounters it takes to recover to Green.
| Event type | Points |
|---|---|
| MOT pass / clear check | 0 |
| Minor infringement | 25 |
| Serious infringement | 100 |
| Immediate prohibition | 200 |
| "S" marked (significant) | 300 |
Indicative guidance only. The DVSA OCRS algorithm weights points by the age of each encounter over three years; this tool models the direction of travel so you can plan. For a full assessment, talk to our compliance team.
A "Red" OCRS makes your vehicles a priority target at the roadside. Staying Green reduces stops, delays and the risk of escalation to a Public Inquiry. If your score is drifting, a compliance audit is the fastest way to find and fix the root causes.
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