Safe System requirements for zero star-rated vehicles

Images from TFL - HGV safety permit guidance
  1. A Class V mirror will need to be fitted to the nearside of the vehicle, this will help the driver see what is in their side blind spot.
  2. A Class VI mirror will need to be fitted to the front of the vehicle, this will help the driver see what is in their front blind spot.
  3. Side protection barriers will need to be installed to both sides of the vehicle, unless it is impractical or proves impossible.
  4. Clear Pictorial Warning signs need to be displayed on the exterior of the vehicle to warn pedestrians and cyclists of the potential danger.
  5. A side sensor system will need to be fitted on the nearside of the vehicle that is designed to alert the driver of the presence of pedestrians, cyclists or motorbike riders.
  6. The vehicle needs to be fitted with loud warning speakers that warns pedestrians and cyclists the vehicle is turning left.
  7. A nearside camera system needs to be fitted that is designed to cover all of the blind spot that is not covered by the VI & VII mirrors. A monitor needs to be installed in the cabin near to the nearside mirrors giving the driver easy vision of any potential obstacle and the operator needs to know that the camera system is working before a vehicle goes into the Enforcement Zone

New Blind Spot mirrors

Class V mirror

Class VI mirror

New Camera system designed to eliminate the blind spot between the Class V & VI mirrors and the drivers direct line of sight. This is highlighted by the white space in the above image from the TFL’s DVS guideline document.

The camera system should also be designed to see down the side of the truck eliminating the bland spot that a driver has along the length of the truck as highlighted in this second image from the TFL guidelines..

Images from TFL - HGV safety permit guidance

Side Sensors with audible alarms need to be fitted

Side Sensors with driver notification and audible alarms need to be fitted to the nearside of the vehicle

On all riged vehicles over 12 tonne and articulated tractor units must have 6 meters of sensor coverage down the nearside of the vehicle, if the vehicle is less than 6 meters long then the sensors need to be down the side up to the last 1 meter of the vehicle.

Audible Alarms need to be fitted

The Speakers should have a manual on/off switch. All Warning speakers must be switched off between 23:30 and 07:00

Warning Speakers/ Alarms need to be fitted to the nearside of the vehicle

Measured at 1 meter from the speaker the alarm sound needs to be between 65 and 88 decibels

Side protection systems

Side protection systems will be fitted to both sides of the vehicle and clear warning signed need to be displayed. If it is not practical to fit the Side protectors, then clear signs must be displayed.

Warning signs

Warning signs need to be clear, concise and preferably picture based. They need to give easy to understand instructions for pedestrians and cyclists and the font size needs to be large enough to be legible from a reasonable distance.

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