Proving grounds
CLICK on a track for more details

MORTEFONTAINE site
COMFORT TRACK
Description
- Degraded road surface (potholes, corrugations)
- One-way circuit
Characteristics
- Length: 1,500 m
Services
- Accelerated chassis and suspension ageing
- Resistance of trim and onboard equipment
- Comfort assessments
DYNAMIC PLATFORM
WITH INTEGRATED WETTING SYSTEM
Description
- Dynamic area specially for vehicle manoeuvres
- A wet circle
- A low grip track
- An ISO acoustic track
- A wet track
- A braking zone
- A stop zone
Characteristics
- Surface area: 77,000 m² forming a right-angled trapezoid
- Width: 130 m
- Longer length: 750 m
- Shorter length: 400 m
- Straight low grip track
- length: 120 m
- width: 5 m
- Surface: tiles
- µ: 0.2 (wet track)
Services
- Dynamic handling, braking, electronic systems
- Coast down
BANKED HIGH-SPEED TRACK
Description
- Oval circuit
- Asphalt applied using the seamless technique
- Enables driving without turning the steering wheel up to 200 km/h
- 4 tracks each with its own respective speed
- Anti-clockwise one-way circuit
Characteristics
- Length: 3,000 m
- Width: 15 m horizontal projection
- Height: 7 m
- Maximum banking: 43°
Services
- Measurement of engine and traction system performances
- High speed or heavy load endurance
URBAN TRACK
Description
- "Urban" testing
- Two-way traffic
- Speed limit: 80 km/h
- Optional specific road signs
Characteristics
- Length: 1,700 m with a 800 m straight line
- Granular surface on one lane on a straight line (300 m)
Services
- Vehicle testing
- Tyre characterisation
- Durability
- Stop & Start braking
- Outside/inside noise level
ROAD CIRCUIT
Description
- Winding, hilly course
- Route with varied dynamic handling
- One-way track
- No stopping
Characteristics
- Length: 5,200 m
- Width: 6 m
Services
- Vehicle testing
- Tyre characterisation
- Durability
- Stop & Start braking
- Outside/inside noise level
SPECIAL TRACKS
Cobbled track
- Length: 800 m
- Shallow potholes every 2 m
Ford crossing (with salt water)
- Depth: 10 cm
- Length: 60 m
- Width: 3 m
Acoustic reverberation tunnel
- Length: 100 m
Dust tunnel
- Length: 80 m
Corrugated track
- Length: 80 m
Gravel track
- Length: 130 m
- Width: 6 m
Obstacles
- Pavements
- Speed bumps
- Speed humps
- Dips
OFF-ROAD TRACK
Description
- In the heart of a listed 4-hectare wooded site
- 3 levels of difficulty: green, blue and red
- Terrain: sand, rock and earth
- Areas with natural and artificial obstacles to negotiate
Characteristics
- Length: 10,000 m
Services
- Traction, low-speed crossing, vehicle endurance on all types of track
MONTLHERY site
DYNAMIC PLATFORM
Characteristics
- 12,000 m² concrete surface
- Width: 40 m
- Length: 300 m
- 12 and 20 m diameter circles
- Maximum load: 60 tonnes
- 5,400 m² asphalt surface
- Width: 45 m
- Length: 120 m
- Maximum load: 4 tonnes
Services
- Dynamic handling (acceleration, performance, braking, steering effort, road-holding ability, etc.)
- Static tests (rear-view, remote control range, etc.)
3,405 M CIRCUIT
Characteristics
- Historic race track
- Length: 3,405 m
- Asphalt and concrete
- Load capacity: 3.5 tonnes
- Complementarity between the road track and the banked high-speed track
- Maximum speed: 220 km/h
Services
- High-speed laps (maximum speed 220 km/h)
- Measurement of road profile for chassis dynamometer calibration
- Autonomy
- Handling, acceleration ability
BANKED HIGH-SPEED TRACK
Description
- Possible connection to the road circuit
- Access to straight line for maximum speed of 180 km/h
Characteristics
- Developed length (at record line): 2,500 m
- Concrete surface
- Load capacity: 3.5 tonnes
Services
- High-speed laps (maximum speed 180 km/h)
- Measurement of road profile for chassis dynamometer calibration
- Autonomy
- Handling, acceleration ability
SPECIAL TRACKS
Degraded road
- Services
- Driving tests (life-cycles)
- Behaviour of the interior fittings
- Characteristics
- 1,420 m circuit
- Grooved concrete or unmaintained tarmac
- Possible connection with ""Belgian tiles"" and "corrugated" tracks
- Woodland stretches
- Maximum load: 13 t on the axle
- Circuit which can include a "forest trail" type track
Cobbled track
- Services
- Driving tests (life-cycle)
- Interior system restraint tests (ambulance equipment, etc.)
- Behaviour of interior equipment (radio, etc.)
- Definition of endurance vibration profile
- Interior noise
- Endurance (suspension, equipment, etc.)
- Characteristics
- ""Belgian tiles"" type granite blocks
- Length: 250 m
- Width: 4.7 m
- Corrugations and depressions with spacing ranging from 61 to 152 cm
- "Pothole" type depressions
- Depth up to 80 mm (120 mm in the last 50 m)
- Spacing between bumps and hollows 600 to 1,600 mm
- Accepts heavy vehicles
Corrugated track (dry track)
- Services
- Driving tests (life-cycles)
- Interior system restraint tests (ambulance equipment, etc.)
- Behaviour of interior equipment (radio, etc.)
- Definition of endurance vibration profile
- Interior noise
- Endurance (suspension, equipment, etc.)
- Characteristics
- Sahara or dry track
- Length: 300 m
- Width: 4.5 m
- Corrugations every 750 mm
- Height of bumps 25 mm
- Width of bumps 350 mm
- Accepts heavy vehicles
ROAD CIRCUIT
Characteristics
- 6.5 km of roadway
- Hilly course
- Different surface coatings (comfort and noise)
- Load capacity: 25 tonnes
- 3 circuits possible
- Possible connexion to the banked high-speed track
Services
- Full vehicle tests
- Tyre characterisation
- Endurance
- Braking, handling
- Interior and exterior noise level
WET TRACKS
Low grip track
- Characteristics
- Length: 200 m
- Width: 6 m
- Grip: 0.3 (cars) and 0.15 (HGV)
- Track wetting by overhead sprinkler system (180° sweep over 13 m)
- Overall flow rate of 30 m3/h
- Adjacent high grip track ("Split" tests possible)
- Dedicated 900 m run-up track for a test speed of 120 km/h for light vehicles and 80 km/h for heavy vehicles
- Clearance on either side of the track: 20 m and 35 m on each side
- Maximum load capacity 60 tonnes
- Services
- Characterisation of ABS systems
- Braking tests
- Handling tests
- µ-split
Wet Grip track
- Characteristics
- Length: 200 m
- Width: 6 m
- Water height 1mm +/-0.5mm
- Services
- Measurement of the grip index for light vehicle and HGV tyres
according to regulations ECE 117 and EU 1222/2009
- Measurement of the grip index for light vehicle and HGV tyres
OFF-ROAD TRACK
Characteristics
- Light vehicle track
- 1,000 m circuit with bumps
- Ruts and slopes
Services
- Handling (obstacles crossing, performance, etc.)
ACOUSTIC TRACK
Characteristics
- Tracks compliant with ISO 10844
- Our facilities have a complete associated instrumentation:
- Sound level meters
- Radar and speedometers
- Weather station
- Digital analysers
Services
- Measurement of passing vehicle noise levels with analysis of the weight of the sources
- Measurement of interior vehicle noise with interior-exterior coupling
- Acoustic power
12% AND 20% SLOPE TRACK
Characteristics
- Length: 15 m
- Width: 4 m
- Maximum load: 13 Tonnes per axle
Services
- Braking system performance
- Hill starts
- Clutch performance
ACCELERATION TRACK
Characteristics
- Length: 550 m
Services
- Full vehicle tests
- Tyre characterisation
- Endurance
- Braking, handling
- Interior and exterior noise level
Straight course
Characteristics
- Lenght: 2,8 km
- 2 parallel straight lines
- Maximum load: 13 t on the axle
- Possible coupling with the ring and the road circuit
Services
- Vehicle dynamic tests
- Acceleration and braking
- Lane keeping
- External, internal noise level