Question

Difficulty: HardMotorway Restrictions and Prohibited Users

Under the Highway Code (Rule 253), various vehicles and road users are subject to specific prohibitions or strict conditional exemptions on motorways. Match each road user or vehicle category to its precise legal access condition or restriction.

  • Learner car driver holding a provisional Category B licencePermitted to drive only when accompanied by an Approved Driving Instructor (ADI) in a dual-controlled car
  • Rider of a moped with an engine capacity under 50 ccStrictly prohibited because the engine displacement falls below the statutory motorway minimum threshold
  • Driver of an agricultural tractorStrictly prohibited under agricultural vehicle restrictions, regardless of road registration or flashing amber beacon use
  • User of a Class 3 powered mobility scooterStrictly prohibited as an invalid carriage, despite being legally permitted on unrestricted dual carriageways

Answer

Learner car drivers match with permission only under ADI supervision in dual-controlled cars; under-50cc mopeds match with prohibition due to sub-minimum engine displacement; agricultural tractors match with absolute prohibition regardless of beacon equipment; Class 3 mobility scooters match with invalid carriage prohibition despite dual-carriageway legality.
Each match correctly aligns with the specific legal frameworks outlined in UK Highway Code Rule 253: provisional category B drivers require dual controls and an ADI; sub-50cc engines fail minimum capacity thresholds; agricultural tractors are unconditionally banned; and Class 3 mobility scooters are prohibited invalid carriages regardless of their dual carriageway road status.

Step-by-Step Solution

1
Evaluate the specific statutory exception for provisional licence holders on UK motorways.
Identify that learner car drivers are permitted solely with an Approved Driving Instructor (ADI) in a dual-controlled car, ruling out ordinary supervising drivers.
Highway Code Rule 253 provides this narrow exception exclusively for professional instruction.
2
Analyze engine displacement restrictions for powered two-wheelers.
Identify that motorcycles and mopeds under 50 cc are strictly excluded from motorways due to insufficient speed and acceleration performance.
The Highway Code sets a minimum engine displacement threshold of 50 cc for powered two-wheelers.
3
Assess heavy machinery and agricultural access rules.
Confirm that agricultural tractors are entirely barred from motorways, with no exceptions for road lighting or beacon configurations.
Rule 253 explicitly lists agricultural vehicles among prohibited motorway users.
4
Differentiate between dual-carriageway and motorway rules for invalid carriages.
Establish that while Class 3 mobility scooters may use dual carriageways with an amber beacon, they remain strictly barred from all motorways.
Powered wheelchairs and mobility scooters are legally defined invalid carriages prohibited under Rule 253.

Key Concept

Highway Code Rule 253 Prohibited Vehicles and Road Users on Motorways
Estimated Time:1m 30s
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