Recommended toolkit
FORS and DVS London Compliance Pack
Put London vehicle-safety requirements into editable checks, instructions and records.
£49one-off digital purchaseView the toolkit
The Direct Vision Standard in brief
The Direct Vision Standard is Transport for London's scheme for reducing deaths and serious injuries caused by lorry blind spots. It rates HGVs over 12 tonnes from zero to five stars based on how much the driver can see directly through the cab windows rather than through mirrors and cameras, and it requires every such vehicle entering Greater London to hold a valid HGV safety permit.
The permit itself is free and enforcement is automatic: cameras covering Greater London check plates against the permit database around the clock, every day of the year. The star rating comes from the vehicle manufacturer and is fixed by the cab design, which is why a low rated vehicle cannot be re-rated by bolting equipment on. What the equipment does instead is qualify the vehicle for a permit through the safe system route, and that is where the progressive safe system comes in.
Where the progressive safe system fits in
Vehicles at or above the DVS 3 star threshold qualify for a permit on their rating alone. Vehicles below three stars can still obtain a permit, but only by fitting the progressive safe system, the strengthened equipment specification that replaced the original safe system when the scheme tightened in October 2024.
The word progressive is doing real work: TfL designed the scheme to ratchet, with the equipment specification following the developing vehicle safety regulations rather than standing still. Operators who fitted the original safe system kit in 2021 discovered that some of it no longer satisfied the newer specification, and sensible fleet planning now assumes the standard will continue to develop. Our advice is consistent: treat the progressive safe system as a floor, buy equipment that meets the current specification with headroom, and keep the paper trail for every vehicle.
The PSS kit list
For a vehicle below three stars, the progressive safe system requires equipment addressing the nearside blind spot, the front blind spot, and the warning of intended manoeuvres. In outline the specification calls for:
- A Camera Monitoring System (CMS) covering the nearside, with the monitor positioned in the cab so the driver can watch the nearside blind spot in real time.
- A Blind Spot Information System (BSIS): nearside sensors that detect vulnerable road users and warn the driver, engineered to avoid activating on street furniture.
- A Moving Off Information System (MOIS) covering the front blind spot, warning the driver of pedestrians and cyclists ahead of the cab before moving off.
- An audible warning that sounds when the vehicle turns left (or an equivalent for left hand drive vehicles), alerting road users outside.
- Prominent external pictorial warning signage advising cyclists and pedestrians of the danger areas.
- Side under-run protection on both sides where the vehicle type does not already carry it and is not exempt.
The details in the technical specification matter: sensor coverage zones, warning timing, and monitor placement are all defined, and equipment marketed as DVS compliant does not always meet them. Ask suppliers to certify against the current TfL specification in writing, per vehicle type, before committing to a fleet order.
Evidence, permits and the paper trail
Applying for the permit on the safe system route involves declaring that the progressive safe system is fitted, and TfL runs an evidence regime behind the declaration rather than inspecting every vehicle. That makes your own records the safety net. For each vehicle we advise holding: the star rating evidence from the manufacturer, dated installation certificates or invoices identifying the equipment fitted and the vehicle it went on, photographs of the installation including signage, and the permit confirmation.
Two operational points get missed. First, the equipment has to keep working: a CMS with a failed monitor or a disconnected left turn speaker undermines the declaration the permit rests on, so the items belong on the daily walkaround check and in the maintenance inspection sheets. Second, fleet changes catch people out. A newly acquired vehicle, a cross-hired unit or a vehicle brought in from a depot outside London all need checking against the scheme before they run inside the boundary, and the person planning routes needs to know which vehicles hold permits.
Penalties and enforcement
Enforcement lands on the operator through penalty charge notices issued to the registered keeper, at up to 550 pounds per vehicle per day of non-compliant operation, reduced if paid promptly. For a vehicle running daily into London without a permit, that accumulates into serious money within a week, and TfL's cameras do not miss.
The reputational exposure runs further than the fine. DVS exists because of fatal collisions with cyclists and pedestrians, and in any serious incident investigation involving a low rated vehicle, the presence, condition and use of the progressive safe system equipment will be examined closely, alongside driver training on it. An operator who fitted the kit, maintained it, trained drivers on it and can prove all three is in a defensible position. An operator with a permit obtained on a declaration the fleet no longer lives up to is not.
Planning a fitting programme without losing vehicles to downtime
For a mixed fleet, the sequence we recommend is: rate the fleet first by obtaining star ratings for every vehicle over 12 tonnes, since many operators discover more three star and above vehicles than they expected; prioritise the sub three star vehicles that actually enter Greater London, using tachograph or telematics data rather than assumption; then book installations in batches aligned to scheduled maintenance so vehicles lose no extra days off the road.
Specify once, fit consistently, and take the training seriously: drivers need to know what the sensors and cameras do, what the alerts mean, and how to report a fault on any of it. We add a progressive safe system section to driver handbooks for London facing fleets covering exactly that, so the equipment on the vehicle and the instructions in the driver's hands match. If the fleet plan includes vehicle replacement, factor direct vision into procurement: every three star or better cab you buy is one fitting programme you never have to run.
