UTACCERAM MILLBROOK devient UTAC
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Proving grounds

CLICK on a track for more details

PLANS MTF MLY 839x413 EN 00_mtf 00_mly 01_piste_confort_mtf 02_aire_plane_dynamique_mtf 03_anneau_vitesse_mtf 04_circuit_ville_mtf 05_circuit_routier_mtf 06_pistes_speciales_mtf 07_piste_4x4_mtf 08_aire_plane_dynamique_mly_mly 09_circuit_3405_mly 10_anneau_vitesse_mly 11_pistes_speciales_mly 12_circuit_routier_mly 13_pistes_basses_adherences_mly 14_piste_4x4_mly 15_piste_acoustique_mly 16_pistes_pentes_mly 17_piste_acceleration_mly 18_piste_lignes_droites_mly

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
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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
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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
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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
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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
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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
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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
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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.)
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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
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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
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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
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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
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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
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OFF-ROAD TRACK

Characteristics
  • Light vehicle track
  • 1,000 m circuit with bumps
  • Ruts and slopes
Services
  • Handling (obstacles crossing, performance, etc.)
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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
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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
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ACCELERATION TRACK

Characteristics
  • Length: 550 m
Services
  • Full vehicle tests
  • Tyre characterisation
  • Endurance
  • Braking, handling
  • Interior and exterior noise level
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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
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Test facilitities in the UK and Finland.