DVA numbers

UK DVA Theory Test - Numerical Figures Reference Table

Speed Limits

Road Type Cars & Motorcycles Cars Towing Caravans/Trailers Large Goods Vehicles/Buses
Built-up areas (street lighting) 30 mph 30 mph 30 mph
Single carriageways 60 mph 50 mph 50 mph
Dual carriageways 70 mph 60 mph 60 mph
Motorways 70 mph 60 mph 60 mph

Stopping Distances (Dry Conditions)

Speed Thinking Distance Braking Distance Total Stopping Distance
20 mph 6 metres (20 feet) 6 metres (20 feet) 12 metres (40 feet)
30 mph 9 metres (30 feet) 14 metres (45 feet) 23 metres (75 feet)
40 mph 12 metres (40 feet) 24 metres (80 feet) 36 metres (120 feet)
50 mph 15 metres (50 feet) 38 metres (125 feet) 53 metres (175 feet)
60 mph 18 metres (60 feet) 55 metres (180 feet) 73 metres (240 feet)
70 mph 21 metres (70 feet) 75 metres (245 feet) 96 metres (315 feet)

Towing Requirements (Cars with Caravans/Trailers)

Requirement Specification
Speed limit (motorways/dual carriageways) 60 mph maximum
Speed limit (single carriageways) 50 mph maximum
Minimum driving experience Must hold full licence
Trailer weight limit (without test) Up to 3,500kg combined vehicle weight
Trailer weight limit (with test) Over 3,500kg combined requires B+E licence
Reversing with trailer Steer opposite to desired direction
Motorway lane restrictions Cannot use right-hand lane on 3+ lane motorways
Parking brake Must be applied when unhitching
Breakaway cable Must be attached and shorter than coupling
Towing mirrors Required if trailer obscures rear view

Towing - Additional Following Distances

Condition Minimum Distance
Dry roads (towing) 3-second rule (increased from 2-second)
Wet roads (towing) 6-second rule (increased from 4-second)
Icy roads (towing) 10+ times normal distance

Following Distances

Condition Cars Cars Towing
Dry roads 2-second rule 3-second rule
Wet roads 4-second rule 6-second rule
Icy roads 10 times normal distance 10+ times normal distance
Fog Use 2-second rule when visibility returns Use 3-second rule when visibility returns

Vehicle Safety Requirements

Component Legal Requirement
Tyre tread depth Minimum 1.6mm across central ¾ of tyre
Tyre pressure Check monthly (manufacturer's specification)
Windscreen damage Chip larger than 10mm in driver's line of vision not permitted
Windscreen damage Crack longer than 40mm anywhere on windscreen not permitted

Alcohol Limits

Category England, Wales & N. Ireland Scotland
Standard drivers 80mg per 100ml of blood 50mg per 100ml of blood
Standard drivers 35 micrograms per 100ml of breath 22 micrograms per 100ml of breath
Professional drivers Same as standard Same as standard

Learner Driver Requirements

Requirement Age/Specification
Minimum age (car) 17 years
Minimum age (motorcycle - moped) 16 years
Minimum age (motorcycle - full licence) 17 years (A1), 19 years (A2), 24 years (A)
L-plates Must display L-plates (red on white)
Supervising driver Must be 21+ with full licence for 3+ years

Theory Test Details

Test Component Requirement
Multiple choice questions 50 questions
Pass mark (multiple choice) 43 out of 50 (86%)
Time allowed (multiple choice) 57 minutes
Hazard perception clips 14 video clips
Pass mark (hazard perception) 44 out of 75
Maximum score per clip 5 points

MOT Requirements

Vehicle Type First MOT Due MOT Frequency
Cars 3 years after first registration Annual
Motorcycles 3 years after first registration Annual
Light goods vehicles 3 years after first registration Annual

Insurance Groups

Group Range Risk Level
Group 1 Lowest insurance group Lowest risk/cheapest
Group 50 Highest insurance group Highest risk/most expensive

Penalty Points

Offence Points Typical Penalty
Speeding (minor) 3 points £100 fine
Speeding (serious) 3-6 points £100-£1,000 fine
Mobile phone use 6 points £200 fine
No insurance 6-8 points Unlimited fine
Drink driving 3-11 points Up to 6 months prison
Dangerous driving 3-11 points Up to 2 years prison
New drivers 6 points in first 2 years = licence revoked Must retake test

Parking Restrictions

Sign/Marking Meaning
Yellow line (single) No parking during times shown
Yellow line (double) No parking at any time
Red line (single) No stopping during times shown
Red line (double) No stopping at any time
Zigzag lines No stopping/parking (school/pedestrian crossing)

Vehicle Loading

Requirement Specification
Load overhang (front) Not permitted
Load overhang (rear) Maximum 1 metre without marking
Load overhang (rear with marking) Maximum 2 metres with proper marking
Load overhang (side) Not permitted beyond vehicle width

Vulnerable Road Users

Priority Rule Distance/Time
Passing cyclists Give 1.5 metres space when overtaking
Horse riders Pass slowly, give plenty of room
Pedestrian crossings Stop if pedestrians waiting to cross

Environmental Considerations

Factor Impact
Under-inflated tyres Increase fuel consumption by up to 3%
Aggressive acceleration Can increase fuel consumption by 40%
Air conditioning Can increase fuel consumption by 15%
Speed (motorway) 10 mph reduction can improve fuel economy by 10%

Vehicle Maintenance Intervals

Component Check Frequency
Oil level Weekly
Tyre pressure Monthly
Tyre condition Monthly
Lights Weekly
Windscreen washers Weekly
Brakes When driving - any unusual sounds/feel

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