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DVS – Direct Vision Standard and HGV Safety Permit.

The TFL (Transport For London) Direct Vision Standard (DVS) and Safety Permit for Heavy Goods Vehicles (HGVS) requires all lorries over 12 tonnes gross vehicle weight to be granted a permit to enter or operate in greater London. The scheme was created to improve the safety of all road users, including pedestrians, cyclists and motorcyclists.

The DVS measures how much an HGV driver can see directly through their cab windows. This indicates the level of risk to vulnerable road users, such as people walking and cycling, near the vehicle.

The DVS and HGV Safety Permit for HGVs is part of the Mayor of London’s Vision Zero plan to eliminate all deaths and serious injuries on London’s transport network by 2041.

HGV Safety Permit and Requirements.

The Direct Vision Standard (DVS – 2024 Update) implemented by Transport for London (TFL) is legislation aimed at increasing the safety of HGVs (Heavy Goods Vehicles) weighing over 12 tones operating within Greater London. 

Direct Vision
Direct Vision

DVS Star Rating and Progressive Safe Systems.

From October 2024, there is a mandatory requirement that all HGV’s that didn’t meet the Direct Vision 3 star rating at the time of manufacturer, will need to install Progressive Safe Systems, which consists of MOIS (Moving Off Information Systems) and BSIS (Blind Spot Information Systems) on any HGV going into London.

HGV operators need to apply for a permit for their vehicles. You will be granted a permit if the vehicle meets the minimum DVS star rating.

If your vehicle does not meet the minimum DVS star rating, you need to make your vehicle safer by installing it with Progressive Safe Systems.

The DVS Star ratings of your fleet, or proposed new vehicles, are available through the vehicle manufacturers. If you check the star rating with them, this will determine if you need to implement a Safe System in order to comply with TFL’s Direct Vision requirements.

What you need to know about DVS star ratings and Safe System improvements.

DVS Star Rating
DVS Star Rating

Star Ratings and What They Mean.

If your vehicles carry 0,1 or 2 star rating, Progressive Safe Systems will need to be installed in order to receive a permit.

The safety solutions required to comply with the Progressive Safe Systems are:

  • Class V Mirrors installed to the nearside of the vehicle
  • Class VI Mirrors installed to the front of the vehicle
  • Side under-run protection to both sides of the vehicle
  • Signs to warn vulnerable road users to the hazards around the vehicle
  • MOIS (Moving Off Information Systems)
  • BSIS (Blind Spot Information Systems)
  • “Caution vehicle turning left” audible warning alarm
  • Nearside Camera and Monitor system

Legal Requirement.

There is much talk as to whether the Direct Vision Standard is a legal requirement. The answer is YES, and failure to comply could result in prosecution for both the operator and the driver.

Operators must ensure that their equipment for indirect vision, including Blind Spot & Moving Off Information Systems (MOIS), is fully operational. Both sensor systems must meet the performance requirements in the PSS technical specifications.

Enforcement and Penalties.

From 26 October 2020, if you drive an HGV within Greater London without a valid permit you may receive a penalty charge notice (PCN) of up to £550 (reduced to £275 if paid within 14 days).

TFL can also revoke or suspend a permit if a vehicle that has been granted a permit is later found to be in breach of the permit terms.

Read the conditions of the HGV Safety Permit.

Progressive Safe Systems.


So what does all this terminology mean?

MOIS (Moving Off Information Systems )MOIS – Is a detection system installed to the front of the vehicle that provides alerts to the driver when a vulnerable road user is in the detection path, both when preparing to move off and when moving off.

BSIS (Blind Spot Information Systems) – Is a detection system installed to the nearside of the vehicle to ensure full coverage down the nearside of the vehicle.  Systems must not activate in response to roadside furniture or stationary vehicles where a collision is imminent.  For articulated vehicles, sufficient coverage is required of the combination but without being activated by the trailer itself.

Sensors must enable detection in the defined zone, and this will extend rearward to areas adjacent to a semi-trailer. This can be achieved in the way that works best for the technology supplier and the vehicle operator.

Products must not interfere with safety critical aspects of the vehicle and must therefore have E Mark Certification.

The new specification also requires the Original Equipment Manufacturer to test the products with a specific test procedure and installations must be signed off by a competent engineer 

If you would like some further information on the TFL Direct Vision Standard and how Contel can protect your fleet, please complete the contact form below.

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