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Key Facts: Knowledge of London Exam
320
Blue Book runs that form the core navigation syllabus of the exam
TfL
6,000
Points of interest (hotels, clubs, hospitals, squares) candidates must know
TfL
6 miles
Radius from Charing Cross that constitutes the All-London learning zone
TfL
60%
Minimum passing score required to pass the Stage 2 written test
TfL
3-4 years
Average study time required for candidates to pass all stages of the examination
TfL
The Knowledge of London is the world's most challenging taxi driver test. It requires candidates to memorize 320 runs and 6,000 points of interest within 6 miles of Charing Cross. The Stage 2 written test has 30 questions (5 runs, 25 points) to be completed in 1 hour. A score of 60% (18/30) is required to pass.
Sample Knowledge of London Practice Questions
Try these sample questions to review concepts for the Knowledge of London exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1What is the statutory center of London taxi regulations, from which the six-mile radius of 'The Knowledge' is measured?
2Under TfL regulations, what is the maximum compulsory hiring distance a taxi driver must accept for a journey starting in London (except from Heathrow Airport)?
3What is the compulsory hiring distance a taxi driver must accept when taking a fare from the taxi ranks at Heathrow Airport?
4Which piece of legislation governs the requirement that London taxi drivers must carry registered assistance dogs without charging an extra fare?
5Under TfL regulations, what must a taxi driver do if their in-cab card payment device becomes broken or unavailable?
6What is the standard maximum age limit for a licensed Hackney Carriage (black cab) in London, assuming it is not a zero-emission capable vehicle?
7What standard must all new taxis presented for licensing for the first time meet under TfL's environmental guidelines?
8Which of the following is a primary distinction between a licensed London taxi (Hackney Carriage) and a Private Hire Vehicle (PHV)?
9What is the penalty under London cab law for a private hire driver who accepts a passenger hailing them on the street without a booking?
10If a passenger leaves property in a London taxi, what is the driver legally required to do with it under TfL regulations?
About the Knowledge of London Exam
The Transport for London (TfL) Knowledge of London (KoL) is the iconic taxi driver examination, testing a detailed spatial map of 320 Blue Book runs and 6,000 points of interest within a 6-mile radius of Charing Cross.
Exam sponsor: Transport for London (TfL). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
30 questions
Time Limit
1 hour
Passing Score
60%
Reported exam pass rate: 20-30%. overall completion rate of applicants This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Blue Book Runs
Route sequences, turn restrictions, one-way systems, and junctions for the 320 standard runs.
Points of Interest
Precise addresses, locations, and details of clubs, hotels, hospitals, stations, and other landmarks.
Preparing for the Knowledge of London Exam
What You Need to Know
- Passing score: 60%
- Exam length: 30 questions
- Time limit: 1 hour
- Exam / certification fees: £225 (written test) Official sources
Using Our Practice Resources
- Work through all 100 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
Knowledge of London: Suggested Study Strategy
Frequently Asked Questions
What is the written test (Stage 2) format for the Knowledge of London?
The written exam is a 1-hour computer-based test consisting of 30 multiple-choice questions. It includes 5 questions testing your knowledge of the 320 standard runs (where you must select the shortest legal route) and 25 questions testing your knowledge of points of interest along those runs. You must score at least 60% to pass.
How long does it take to learn the Knowledge of London?
On average, it takes 3 to 4 years of intensive study to master the Knowledge of London. Candidates usually spend 15-20 hours per week traveling the streets on mopeds or bicycles and reciting routes ('calling over') to commit the 320 runs and 6,000 points of interest to memory.
What are the stages of the Knowledge of London examination?
The examination is split into several stages: Stage 1 is the introductory pack and self-study; Stage 2 is the written assessment (multiple-choice test); Stage 3 consists of oral appearances at 56-day intervals; Stage 4 is appearances at 28-day intervals; and Stage 5 is the final appearances at 21-day intervals, followed by a pre-licensing talk.
What is the boundary for the Knowledge of London?
Taxis are licensed for either the entire London area ('All-London' green badge) or specific suburban sectors ('Suburban' yellow badge). The All-London green badge requires complete mastery of the area within a 6-mile radius of Charing Cross (the statutory center of London taxi regulations).