Statistical data set
Top 10 prohibition defects as a percentage of all HGV vehicles inspected at roadside and operators' premises
Updated 19 September 2024
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| Financial year | Period | Defect type | Defects as a percentage of all vehicles inspected |
|---|---|---|---|
| 2023 to 2024 | Quarter 4: January to March | Condition of Tyres | 6.53% |
| 2023 to 2024 | Quarter 4: January to March | Brake Systems and Components | 2.60% |
| 2023 to 2024 | Quarter 4: January to March | Direction Indicators and Hazard Warning lamps | 2.16% |
| 2023 to 2024 | Quarter 4: January to March | Security of Body | 2.06% |
| 2023 to 2024 | Quarter 4: January to March | Service Brake Operation | 2.04% |
| 2023 to 2024 | Quarter 4: January to March | Exhaust Emissions | 1.71% |
| 2023 to 2024 | Quarter 4: January to March | Lamps | 1.60% |
| 2023 to 2024 | Quarter 4: January to March | Steering Mechanism | 1.59% |
| 2023 to 2024 | Quarter 4: January to March | Road Wheels and Hubs | 1.06% |
| 2023 to 2024 | Quarter 4: January to March | Spray Suppression, Wings and Wheel Arches | 1.02% |
| 2023 to 2024 | Quarter 3: October to December | Condition of Tyres | 6.08% |
| 2023 to 2024 | Quarter 3: October to December | Brake Systems and Components | 2.08% |
| 2023 to 2024 | Quarter 3: October to December | Security of Body | 1.81% |
| 2023 to 2024 | Quarter 3: October to December | Direction Indicators and Hazard Warning lamps | 1.74% |
| 2023 to 2024 | Quarter 3: October to December | Lamps | 1.60% |
| 2023 to 2024 | Quarter 3: October to December | Steering Mechanism | 1.56% |
| 2023 to 2024 | Quarter 3: October to December | Exhaust Emissions | 1.40% |
| 2023 to 2024 | Quarter 3: October to December | Service Brake Operation | 1.40% |
| 2023 to 2024 | Quarter 3: October to December | Suspension | 1.07% |
| 2023 to 2024 | Quarter 3: October to December | Road Wheels and Hubs | 1.04% |
| 2023 to 2024 | Quarter 2: July to September | Condition of Tyres | 7.66% |
| 2023 to 2024 | Quarter 2: July to September | Brake Systems and Components | 2.31% |
| 2023 to 2024 | Quarter 2: July to September | Security of Body | 2.05% |
| 2023 to 2024 | Quarter 2: July to September | Direction Indicators and Hazard Warning lamps | 1.99% |
| 2023 to 2024 | Quarter 2: July to September | Steering Mechanism | 1.36% |
| 2023 to 2024 | Quarter 2: July to September | Service Brake Operation | 1.35% |
| 2023 to 2024 | Quarter 2: July to September | Exhaust Emissions | 1.31% |
| 2023 to 2024 | Quarter 2: July to September | Glass/View to Front | 0.95% |
| 2023 to 2024 | Quarter 2: July to September | Lamps | 0.89% |
| 2023 to 2024 | Quarter 2: July to September | Spray Suppression, Wings and Wheel Arches | 0.81% |
| 2023 to 2024 | Quarter 1: April to June | Condition of Tyres | 7.19% |
| 2023 to 2024 | Quarter 1: April to June | Brake Systems and Components | 2.82% |
| 2023 to 2024 | Quarter 1: April to June | Security of Body | 2.25% |
| 2023 to 2024 | Quarter 1: April to June | Direction Indicators and Hazard Warning lamps | 2.03% |
| 2023 to 2024 | Quarter 1: April to June | Service Brake Operation | 1.84% |
| 2023 to 2024 | Quarter 1: April to June | Exhaust Emissions | 1.50% |
| 2023 to 2024 | Quarter 1: April to June | Steering Mechanism | 1.43% |
| 2023 to 2024 | Quarter 1: April to June | Spray Suppression, Wings and Wheel Arches | 1.27% |
| 2023 to 2024 | Quarter 1: April to June | Lamps | 0.96% |
| 2023 to 2024 | Quarter 1: April to June | Suspension | 0.94% |
| 2022 to 2023 | Quarter 4: January to March | Condition of Tyres | 6.18% |
| 2022 to 2023 | Quarter 4: January to March | Direction Indicators and Hazard Warning Lamps | 2.56% |
| 2022 to 2023 | Quarter 4: January to March | Security of Body | 2.14% |
| 2022 to 2023 | Quarter 4: January to March | Brake Systems and Components | 2.11% |
| 2022 to 2023 | Quarter 4: January to March | Service Brake Operation | 1.81% |
| 2022 to 2023 | Quarter 4: January to March | Lamps | 1.68% |
| 2022 to 2023 | Quarter 4: January to March | Steering Mechanism | 1.65% |
| 2022 to 2023 | Quarter 4: January to March | Exhaust Emissions | 1.49% |
| 2022 to 2023 | Quarter 4: January to March | Spray Suppression, Wings and Wheel Arches | 1.17% |
| 2022 to 2023 | Quarter 4: January to March | Glass/View to Front | 0.88% |
| 2022 to 2023 | Quarter 3: October to December | Condition of Tyres | 5.42% |
| 2022 to 2023 | Quarter 3: October to December | Direction Indicators and Hazard Warning lamps | 2.54% |
| 2022 to 2023 | Quarter 3: October to December | Brake Systems and Components | 2.01% |
| 2022 to 2023 | Quarter 3: October to December | Lamps | 1.90% |
| 2022 to 2023 | Quarter 3: October to December | Security of Body | 1.90% |
| 2022 to 2023 | Quarter 3: October to December | Service Brake Operation | 1.63% |
| 2022 to 2023 | Quarter 3: October to December | Steering Mechanism | 1.52% |
| 2022 to 2023 | Quarter 3: October to December | Exhaust Emissions | 1.42% |
| 2022 to 2023 | Quarter 3: October to December | Spray Suppression, Wings and Wheel Arches | 1.32% |
| 2022 to 2023 | Quarter 3: October to December | Road Wheels and Hubs | 1.00% |
| 2022 to 2023 | Quarter 2: July to September | Condition of Tyres | 5.91% |
| 2022 to 2023 | Quarter 2: July to September | Brake Systems and Components | 2.28% |
| 2022 to 2023 | Quarter 2: July to September | Direction Indicators and Hazard Warning lamps | 1.89% |
| 2022 to 2023 | Quarter 2: July to September | Security of Body | 1.58% |
| 2022 to 2023 | Quarter 2: July to September | Service Brake Operation | 1.38% |
| 2022 to 2023 | Quarter 2: July to September | Steering Mechanism | 1.34% |
| 2022 to 2023 | Quarter 2: July to September | Spray Suppression, Wings and Wheel Arches | 1.25% |
| 2022 to 2023 | Quarter 2: July to September | Exhaust Emissions | 1.20% |
| 2022 to 2023 | Quarter 2: July to September | Lamps | 1.00% |
| 2022 to 2023 | Quarter 2: July to September | Glass/View to Front | 0.86% |
| 2022 to 2023 | Quarter 1: April to June | Condition of Tyres | 5.80% |
| 2022 to 2023 | Quarter 1: April to June | Brake Systems and Components | 2.37% |
| 2022 to 2023 | Quarter 1: April to June | Direction Indicators and Hazard Warning Lamps | 2.32% |
| 2022 to 2023 | Quarter 1: April to June | Steering Mechanism | 1.50% |
| 2022 to 2023 | Quarter 1: April to June | Lamps | 1.39% |
| 2022 to 2023 | Quarter 1: April to June | Service Brake Operation | 1.22% |
| 2022 to 2023 | Quarter 1: April to June | Suspension | 1.13% |
| 2022 to 2023 | Quarter 1: April to June | Exhaust Emissions | 1.12% |
| 2022 to 2023 | Quarter 1: April to June | Spray Suppression, Wings and Wheel Arches | 1.05% |
| 2022 to 2023 | Quarter 1: April to June | Security of Body | 1.04% |
| 2021 to 2022 | Quarter 4: January to March | Condition of Tyres | 4.68% |
| 2021 to 2022 | Quarter 4: January to March | Direction Indicators and Hazard Warning Lamps | 2.67% |
| 2021 to 2022 | Quarter 4: January to March | Brake Systems and Components | 2.11% |
| 2021 to 2022 | Quarter 4: January to March | Lamps | 2.03% |
| 2021 to 2022 | Quarter 4: January to March | Steering Mechanism | 1.27% |
| 2021 to 2022 | Quarter 4: January to March | Spray Suppression, Wings and Wheel Arches | 1.22% |
| 2021 to 2022 | Quarter 4: January to March | Service Brake Operation | 1.19% |
| 2021 to 2022 | Quarter 4: January to March | Exhaust Emissions | 1.10% |
| 2021 to 2022 | Quarter 4: January to March | Security of Body | 0.89% |
| 2021 to 2022 | Quarter 4: January to March | Suspension | 0.88% |
| 2021 to 2022 | Quarter 3: October to December | Condition of Tyres | 4.45% |
| 2021 to 2022 | Quarter 3: October to December | Direction Indicators and Hazard Warning lamps | 2.34% |
| 2021 to 2022 | Quarter 3: October to December | Brake Systems and Components | 2.25% |
| 2021 to 2022 | Quarter 3: October to December | Lamps | 2.08% |
| 2021 to 2022 | Quarter 3: October to December | Steering Mechanism | 1.32% |
| 2021 to 2022 | Quarter 3: October to December | Exhaust Emissions | 1.08% |
| 2021 to 2022 | Quarter 3: October to December | Spray Suppression, Wings and Wheel Arches | 0.99% |
| 2021 to 2022 | Quarter 3: October to December | Service Brake Operation | 0.80% |
| 2021 to 2022 | Quarter 3: October to December | Security of Body | 0.80% |
| 2021 to 2022 | Quarter 3: October to December | Road Wheels and Hubs | 0.71% |
| 2021 to 2022 | Quarter 2: July to September | Condition of Tyres | 5.48% |
| 2021 to 2022 | Quarter 2: July to September | Direction Indicators and Hazard Warning lamps | 2.39% |
| 2021 to 2022 | Quarter 2: July to September | Brake Systems and Components | 2.23% |
| 2021 to 2022 | Quarter 2: July to September | Steering Mechanism | 1.45% |
| 2021 to 2022 | Quarter 2: July to September | Lamps | 1.29% |
| 2021 to 2022 | Quarter 2: July to September | Spray Suppression, Wings and Wheel Arches | 1.14% |
| 2021 to 2022 | Quarter 2: July to September | Service Brake Operation | 0.96% |
| 2021 to 2022 | Quarter 2: July to September | Security of Body | 0.86% |
| 2021 to 2022 | Quarter 2: July to September | Exhaust Emissions | 0.83% |
| 2021 to 2022 | Quarter 2: July to September | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.73% |
| 2021 to 2022 | Quarter 1: April to June | Condition of Tyres | 5.43% |
| 2021 to 2022 | Quarter 1: April to June | Direction Indicators and Hazard Warning lamps | 2.75% |
| 2021 to 2022 | Quarter 1: April to June | Brake Systems and Components | 2.61% |
| 2021 to 2022 | Quarter 1: April to June | Lamps | 1.61% |
| 2021 to 2022 | Quarter 1: April to June | Steering Mechanism | 1.59% |
| 2021 to 2022 | Quarter 1: April to June | Spray Suppression, Wings and Wheel Arches | 1.47% |
| 2021 to 2022 | Quarter 1: April to June | Exhaust Emissions | 0.95% |
| 2021 to 2022 | Quarter 1: April to June | Service Brake Operation | 0.90% |
| 2021 to 2022 | Quarter 1: April to June | Security of Body | 0.86% |
| 2021 to 2022 | Quarter 1: April to June | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.86% |
| 2020 to 2021 | Quarter 4: January to March | Condition of Tyres | 3.52% |
| 2020 to 2021 | Quarter 4: January to March | Direction Indicators and Hazard Warning lamps | 2.12% |
| 2020 to 2021 | Quarter 4: January to March | Lamps | 2.08% |
| 2020 to 2021 | Quarter 4: January to March | Brake Systems and Components | 1.48% |
| 2020 to 2021 | Quarter 4: January to March | Spray Suppression, Wings and Wheel Arches | 1.34% |
| 2020 to 2021 | Quarter 4: January to March | Steering Mechanism | 1.02% |
| 2020 to 2021 | Quarter 4: January to March | Road Wheels and Hubs | 0.78% |
| 2020 to 2021 | Quarter 4: January to March | Service Brake Operation | 0.77% |
| 2020 to 2021 | Quarter 4: January to March | Registration Plates and Vehicle Identification Number | 0.66% |
| 2020 to 2021 | Quarter 4: January to March | Suspension | 0.66% |
| 2020 to 2021 | Quarter 3: October to December | Condition of Tyres | 4.32% |
| 2020 to 2021 | Quarter 3: October to December | Lamps | 3.00% |
| 2020 to 2021 | Quarter 3: October to December | Direction Indicators and Hazard Warning lamps | 2.85% |
| 2020 to 2021 | Quarter 3: October to December | Brake Systems and Components | 2.57% |
| 2020 to 2021 | Quarter 3: October to December | Steering Mechanism | 1.69% |
| 2020 to 2021 | Quarter 3: October to December | Spray Suppression, Wings and Wheel Arches | 1.37% |
| 2020 to 2021 | Quarter 3: October to December | Service Brake Operation | 1.05% |
| 2020 to 2021 | Quarter 3: October to December | Exhaust Emissions | 0.97% |
| 2020 to 2021 | Quarter 3: October to December | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.86% |
| 2020 to 2021 | Quarter 3: October to December | Suspension | 0.80% |
| 2020 to 2021 | Quarter 2: July to September | Condition of Tyres | 6.40% |
| 2020 to 2021 | Quarter 2: July to September | Direction Indicators and Hazard Warning lamps | 2.62% |
| 2020 to 2021 | Quarter 2: July to September | Brake Systems and Components | 2.24% |
| 2020 to 2021 | Quarter 2: July to September | Steering Mechanism | 1.44% |
| 2020 to 2021 | Quarter 2: July to September | Lamps | 1.41% |
| 2020 to 2021 | Quarter 2: July to September | Spray Suppression, Wings and Wheel Arches | 1.09% |
| 2020 to 2021 | Quarter 2: July to September | Glass/View to Front | 0.98% |
| 2020 to 2021 | Quarter 2: July to September | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.85% |
| 2020 to 2021 | Quarter 2: July to September | Suspension | 0.82% |
| 2020 to 2021 | Quarter 2: July to September | Security of Body | 0.81% |
| 2020 to 2021 | Quarter 1: April to June | Condition of Tyres | 8.05% |
| 2020 to 2021 | Quarter 1: April to June | Direction Indicators and Hazard Warning lamps | 3.12% |
| 2020 to 2021 | Quarter 1: April to June | Security of Body | 1.52% |
| 2020 to 2021 | Quarter 1: April to June | Glass/View to Front | 1.34% |
| 2020 to 2021 | Quarter 1: April to June | Brake Systems and Components | 1.31% |
| 2020 to 2021 | Quarter 1: April to June | Lamps | 1.15% |
| 2020 to 2021 | Quarter 1: April to June | Drivers Mirrors | 0.89% |
| 2020 to 2021 | Quarter 1: April to June | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.69% |
| 2020 to 2021 | Quarter 1: April to June | Steering Mechanism | 0.56% |
| 2020 to 2021 | Quarter 1: April to June | Suspension | 0.44% |
| 2019 to 2020 | Quarter 4: January to March | Brake Systems and Components | 2.90% |
| 2019 to 2020 | Quarter 4: January to March | Condition of Tyres | 4.50% |
| 2019 to 2020 | Quarter 4: January to March | Service Brake Operation | 1.80% |
| 2019 to 2020 | Quarter 4: January to March | Direction Indicators and Hazard Warning Lamps | 2.90% |
| 2019 to 2020 | Quarter 4: January to March | Steering Mechanism | 2.10% |
| 2019 to 2020 | Quarter 4: January to March | Lamps | 3.10% |
| 2019 to 2020 | Quarter 4: January to March | Spray Suppression, Wings and Wheel Arches | 2.50% |
| 2019 to 2020 | Quarter 4: January to March | Suspension | 1.10% |
| 2019 to 2020 | Quarter 4: January to March | Exhaust Emissions | 1.30% |
| 2019 to 2020 | Quarter 4: January to March | Road Wheels and Hubs | 1.10% |
| 2019 to 2020 | Quarter 3: October to December | Brake Systems and Components | 2.60% |
| 2019 to 2020 | Quarter 3: October to December | Condition of Tyres | 4.20% |
| 2019 to 2020 | Quarter 3: October to December | Service Brake Operation | 1.50% |
| 2019 to 2020 | Quarter 3: October to December | Direction Indicators and Hazard Warning Lamps | 2.50% |
| 2019 to 2020 | Quarter 3: October to December | Steering Mechanism | 2.00% |
| 2019 to 2020 | Quarter 3: October to December | Lamps | 3.00% |
| 2019 to 2020 | Quarter 3: October to December | Spray Suppression, Wings and Wheel Arches | 1.40% |
| 2019 to 2020 | Quarter 3: October to December | Suspension | 0.90% |
| 2019 to 2020 | Quarter 3: October to December | Exhaust Emissions | 1.30% |
| 2019 to 2020 | Quarter 3: October to December | Road Wheels and Hubs | 1.00% |
| 2019 to 2020 | Quarter 2: July to September | Brake Systems and Components | 3.00% |
| 2019 to 2020 | Quarter 2: July to September | Condition of Tyres | 4.50% |
| 2019 to 2020 | Quarter 2: July to September | Service Brake Operation | 1.90% |
| 2019 to 2020 | Quarter 2: July to September | Direction Indicators and Hazard Warning Lamps | 2.40% |
| 2019 to 2020 | Quarter 2: July to September | Steering Mechanism | 2.30% |
| 2019 to 2020 | Quarter 2: July to September | Lamps | 1.20% |
| 2019 to 2020 | Quarter 2: July to September | Spray Suppression, Wings and Wheel Arches | 1.50% |
| 2019 to 2020 | Quarter 2: July to September | Suspension | 0.80% |
| 2020 to 2020 | Quarter 2: July to September | Exhaust Emissions | 0.90% |
| 2019 to 2020 | Quarter 2: July to September | Road Wheels and Hubs | 0.80% |
| 2019 to 2020 | Quarter 1: April to June | Brake Systems and Components | 3.24% |
| 2019 to 2020 | Quarter 1: April to June | Condition of Tyres | 4.85% |
| 2019 to 2020 | Quarter 1: April to June | Service Brake Operation | 1.94% |
| 2019 to 2020 | Quarter 1: April to June | Direction Indicators and Hazard Warning Lamps | 2.61% |
| 2019 to 2020 | Quarter 1: April to June | Steering Mechanism | 2.04% |
| 2019 to 2020 | Quarter 1: April to June | Lamps | 1.59% |
| 2019 to 2020 | Quarter 1: April to June | Spray Suppression, Wings and Wheel Arches | 1.72% |
| 2019 to 2020 | Quarter 1: April to June | Suspension | 1.10% |
| 2019 to 2020 | Quarter 1: April to June | Exhaust Emissions | 1.16% |
| 2019 to 2020 | Quarter 1: April to June | Fuel tank and systems | 1.04% |
| 2018 to 2019 | Total | Condition of Tyres | 4.70% |
| 2018 to 2019 | Total | Brake Systems and Components | 4.20% |
| 2018 to 2019 | Total | Direction Indicators and Hazard Warning Lamps | 2.50% |
| 2018 to 2019 | Total | Service Brake Operation | 2.70% |
| 2018 to 2019 | Total | Steering Mechanism | 2.60% |
| 2018 to 2019 | Total | Lamps | 2.20% |
| 2018 to 2019 | Total | Spray Suppression, Wings and Wheel Arches | 1.90% |
| 2018 to 2019 | Total | Suspension | 1.20% |
| 2018 to 2019 | Total | Road Wheels and Hubs | 0.90% |
| 2018 to 2019 | Total | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.90% |
| 2017 to 2018 | Total | Condition of Tyres | 3.50% |
| 2017 to 2018 | Total | Brake Systems and Components | 4.40% |
| 2017 to 2018 | Total | Direction Indicators and Hazard Warning Lamps | 2.90% |
| 2017 to 2018 | Total | Service Brake Operation | 3.00% |
| 2017 to 2018 | Total | Steering Mechanism | 2.20% |
| 2017 to 2018 | Total | Lamps | 2.10% |
| 2017 to 2018 | Total | Spray Suppression, Wings and Wheel Arches | 2.00% |
| 2017 to 2018 | Total | Suspension | 1.40% |
| 2017 to 2018 | Total | Road Wheels and Hubs | 1.20% |
| 2017 to 2018 | Total | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.50% |
| 2016 to 2017 | Total | Condition of Tyres | 3.80% |
| 2016 to 2017 | Total | Brake Systems and Components | 4.90% |
| 2016 to 2017 | Total | Direction Indicators and Hazard Warning Lamps | 3.30% |
| 2016 to 2017 | Total | Service Brake Operation | 3.50% |
| 2016 to 2017 | Total | Steering Mechanism | 2.70% |
| 2016 to 2017 | Total | Lamps | 2.50% |
| 2016 to 2017 | Total | Spray Suppression, Wings and Wheel Arches | 2.30% |
| 2016 to 2017 | Total | Suspension | 1.50% |
| 2016 to 2017 | Total | Road Wheels and Hubs | 1.10% |
| 2016 to 2017 | Total | Fuel Tank and Systems (including heating/cooling fuel tanks/syst | 0.70% |
| 2015 to 2016 | Total | Brake Systems and Components | 5.70% |
| 2015 to 2016 | Total | Condition of Tyres | 4.00% |
| 2015 to 2016 | Total | Direction Indicators and Hazard Warning lamps | 3.90% |
| 2015 to 2016 | Total | Service Brake Operation | 3.80% |
| 2015 to 2016 | Total | Lamps | 3.80% |
| 2015 to 2016 | Total | Spray Suppression & Wings & Wheel Arches | 3.20% |
| 2015 to 2016 | Total | Steering Mechanism | 2.60% |
| 2015 to 2016 | Total | Suspension | 1.70% |
| 2015 to 2016 | Total | Road Wheels and Hubs | 1.60% |
| 2015 to 2016 | Total | Security of Body | 1.40% |
| 2014 to 2015 | Total | Brake Systems and Components | 5.90% |
| 2014 to 2015 | Total | Condition of Tyres | 4.30% |
| 2014 to 2015 | Total | Direction Indicators and Hazard Warning lamps | 4.10% |
| 2014 to 2015 | Total | Service Brake Operation | 3.90% |
| 2014 to 2015 | Total | Lamps | 3.60% |
| 2014 to 2015 | Total | Spray Suppression & Wings & Wheel Arches | 2.70% |
| 2014 to 2015 | Total | Steering Mechanism | 2.40% |
| 2014 to 2015 | Total | Suspension | 1.70% |
| 2014 to 2015 | Total | Road Wheels and Hubs | 1.60% |
| 2014 to 2015 | Total | Security of Body | 1.40% |
| 2013 to 2014 | Total | Brake Systems and Components | 6.60% |
| 2013 to 2014 | Total | Condition of Tyres | 4.40% |
| 2013 to 2014 | Total | Direction Indicators and Hazard Warning lamps | 4.20% |
| 2013 to 2014 | Total | Service Brake Operation | 4.00% |
| 2013 to 2014 | Total | Lamps | 3.60% |
| 2013 to 2014 | Total | Spray Suppression & Wings & Wheel Arches | 2.40% |
| 2013 to 2014 | Total | Steering Mechanism | 2.40% |
| 2013 to 2014 | Total | Suspension | 1.80% |
| 2013 to 2014 | Total | Road Wheels and Hubs | 1.60% |
| 2013 to 2014 | Total | Security of Body | 1.90% |