Speed Limiter France 3.5 Tonne Regulation: Requirements for Heavy Vehicles

France enforces mandatory speed limiter requirements for all vehicles exceeding 3.5 tonnes gross vehicle weight (GVW). This regulation, rooted in EU directives and transposed into French national law through the Code de la Route, affects domestic fleets, international hauliers, and any operator whose vehicles cross French borders.

Understanding the specific requirements for the 3.5 tonne threshold is critical, because the obligations differ from those applying to lighter vehicles — and the consequences of non-compliance are severe.

The 90 km/h Speed Limit: Who It Applies To

Under French law, all vehicles in categories N2 (3.5–12 tonnes GVW) and N3 (over 12 tonnes GVW) must be equipped with a speed limiter set to a maximum of 90 km/h. This applies to:

• Rigid trucks over 3.5 tonnes
• Articulated vehicles and tractor units
• Specialist heavy vehicles including construction plant, tankers, and refrigerated units
• All vehicles over 3.5 tonnes registered after 1 January 2005 (the EU implementation date under Directive 2002/85/EC)

For vehicles registered before this date, France still requires compliance if the vehicle is to operate commercially on French roads. Older vehicles may need to be retrofitted with an approved speed limiter.

The 3.5 Tonne Threshold: Why It Matters

The 3.5 tonne mark is significant across European transport regulation. It is the dividing line between light commercial vehicles (which generally do not require speed limiters under EU law) and heavy goods vehicles (which do). In France, this threshold is applied strictly:

• A vehicle with a GVW of 3,501 kg requires a speed limiter
• A vehicle with a GVW of 3,500 kg does not (though voluntary fitting is increasingly common)

Fleet operators running mixed fleets should pay careful attention to vehicle specifications, particularly where manufacturers offer variants that sit either side of the 3.5 tonne line.

Technical Requirements

ECE R89 Type Approval

Every speed limiter fitted to a vehicle over 3.5 tonnes operating in France must hold valid ECE R89 type approval. This is the internationally recognised standard for speed limitation devices, and French authorities accept no alternatives.

AutoKontrol’s System 80 drive-by-wire speed limiter holds ECE R89 type approval from three of Europe’s leading approval bodies — UTAC, TUV, and VCA. This triple certification provides fleet operators with the highest level of regulatory certainty across France and all UNECE member states.

Speed Setting and Calibration

The speed limiter must be set to restrict the vehicle’s maximum speed to 90 km/h. However, the ECE R89 standard permits a tolerance of +/- 5%, meaning the actual maximum speed may be between 85.5 km/h and 94.5 km/h when tested.

Calibration must be carried out:

• At installation — by an approved installer using calibrated equipment
• After any work affecting the drivetrain — including gearbox replacement, differential changes, or tyre size modifications
• At regular intervals — aligned with the annual contrôle technique (technical inspection)
• If the speed limiter plate data no longer matches the vehicle’s actual configuration

The Speed Limiter Plate

A metal or durable plastic plate must be permanently affixed to the vehicle in a visible location (typically the door frame or engine bay). The plate must display:

• The set speed (90 km/h)
• The ECE R89 approval number
• The device manufacturer and model
• The date of installation or last calibration
• The installer’s identification

Inspectors check this plate during roadside inspections and contrôle technique examinations. A missing, illegible, or incorrect plate is grounds for a compliance failure.

Retrofit Requirements for Older Vehicles

Vehicles first registered before the EU mandatory fitment dates may still require speed limiters if they are to operate commercially in France. The retrofit process involves:

1. Selecting an ECE R89 type-approved device appropriate for the vehicle type
2. Professional installation by an approved fitter, including wiring, sensor fitment, and connection to the vehicle’s speed signal
3. Calibration to the correct speed setting
4. Fitment of tamper-evident seals to prevent unauthorised adjustment
5. Issuing of installation and calibration certificates

AutoKontrol’s System 80 is designed specifically for retrofit applications. Its drive-by-wire technology interfaces cleanly with modern engine management systems, and its compact design allows installation in vehicles where space is constrained. For a broader comparison of how French regulations sit alongside other European countries, see our speed limiter regulations comparison by country.

Technical Inspection (Contrôle Technique)

Heavy vehicles over 3.5 tonnes undergo annual contrôle technique inspections at approved centres. The speed limiter is a specific inspection item, and the following checks are performed:

• Presence of the device — is a speed limiter physically installed?
• Speed limiter plate — is it present, legible, and displaying the correct information?
• Tamper-evident seals — are all seals intact and undamaged?
• Documentation — can the operator produce valid installation and calibration certificates?
• Functional test — where rolling road equipment is available, the set speed may be verified

Failure on any speed limiter item means the vehicle cannot pass its contrôle technique. It must be rectified and re-inspected before the vehicle can return to service.

Penalties for Operating Without a Speed Limiter

French enforcement is robust. Penalties for speed limiter non-compliance on vehicles over 3.5 tonnes include:

• Fines of up to EUR 750 for operating without a functioning speed limiter
• Fines of up to EUR 1,500 for tampered or deliberately disabled devices
• Roadside immobilisation — the vehicle cannot continue its journey until compliance is restored
• Vehicle seizure in cases of repeated or deliberate non-compliance
• Operator licence sanctions — the DREAL can suspend or revoke an operator’s authorisation

For international operators, French authorities routinely share enforcement data with other EU member states. A non-compliance finding in France can trigger investigations by your home country’s transport authority. The full picture of French speed limiter laws is covered in our dedicated overview.

How AutoKontrol Supports Compliance

AutoKontrol has been manufacturing ECE R89 type-approved speed limiters for over 40 years. Our System 80 is fitted to heavy vehicles across Europe, and our European distributor network provides installation and calibration services throughout France.

For fleet operators needing to equip vehicles over 3.5 tonnes with compliant speed limiters, we offer:

• ECE R89 type-approved System 80 speed limiters
• TrackSpeed — combining speed limitation with GPS tracking for fleet visibility
• Installation through our European network of approved fitters
• Full documentation packages meeting DREAL and contrôle technique requirements

Take Action Now

Whether you are retrofitting an existing fleet or specifying speed limiters for new vehicles, AutoKontrol can ensure your vehicles over 3.5 tonnes meet every French requirement.

Request a quote or contact us at international@autokontrol.com to discuss your compliance needs.