Unsafe driving behaviour and four wheel drive vehicles: observational study

Area of Science:

• Traffic safety research
• Road user behavior analysis
• Legal compliance studies

Background:

• A new UK law introduced penalties for using hand-held mobile phones while driving.
• Previous research indicates varying compliance levels with road safety legislation.

Purpose of the Study:

• To evaluate compliance with the UK's hand-held mobile phone driving law.
• To compare compliance with mobile phone and seat belt laws.
• To examine compliance differences between drivers of four-wheel drive (4WD) vehicles and normal cars.

Main Methods:

• An observational study conducted at three busy London sites.
• Data collected during a 'grace' period and after penalties were imposed.
• Observed 38,182 normal car drivers and 2,944 4WD vehicle drivers for mobile phone use and seat belt usage.

Main Results:

• Non-compliance with hand-held mobile phone laws was 8.2% for 4WD drivers versus 2.0% for normal cars.
• Non-compliance with seat belt laws was 19.5% for 4WD drivers versus 15.0% for normal cars.
• Non-compliance increased slightly after penalties were imposed, and violating one law correlated with violating the other.

Conclusions:

• High levels of non-compliance exist for both hand-held mobile phone and seat belt laws among London drivers.
• Drivers of 4WD vehicles demonstrated significantly higher non-compliance rates for both observed laws compared to drivers of normal cars.
• The findings suggest a need for targeted interventions to improve adherence to road safety regulations, particularly among specific vehicle type user groups.