Topographical test road numbers: questions and answers

27 practice questions for the TfL topographical assessment, with answers and explanations at the end.

Free from taxiknowledgetest.co.uk. Not an official council or TfL document: check the current official guidance.

Questions

Central London roads

What is the road number of Piccadilly?
- A. A2
- B. A1
- C. A4
- D. A3
What is the road number of Marylebone Road?
- A. A501
- B. A402
- C. A406
- D. A302
What is the road number of Oxford Street?
- A. A10
- B. A40
- C. A12
- D. A13
What is the road number of Park Lane?
- A. A1208
- B. A4200
- C. A3211
- D. A4202
What is the road number of Regent Street?
- A. A3220
- B. A4201
- C. A3031
- D. A1208
What is the road number of Kingsway?
- A. A3212
- B. A3211
- C. A4200
- D. A3220
What is the road number of Whitehall?
- A. A3212
- B. A3211
- C. A4201
- D. A3220

Main roads out of the centre

What is the road number of Holloway Road?
- A. A5
- B. A2
- C. A4
- D. A1
What is the road number of Kingsland Road?
- A. A23
- B. A13
- C. A10
- D. A12
What is the road number of Old Kent Road?
- A. A1
- B. A4
- C. A5
- D. A2
What is the road number of Mile End Road?
- A. A11
- B. A13
- C. A23
- D. A12
What is the road number of Commercial Road?
- A. A40
- B. A13
- C. A23
- D. A11
What is the road number of Clapham Road?
- A. A4
- B. A3
- C. A1
- D. A5
What is the road number of Maida Vale?
- A. A1
- B. A4
- C. A3
- D. A5
What is the road number of the North Circular Road?
- A. A406
- B. A501
- C. A402
- D. A219

Thames bridges and a tunnel

What is the road number of Tower Bridge?
- A. A102
- B. A107
- C. A100
- D. A402
What is the road number of Westminster Bridge?
- A. A217
- B. A107
- C. A302
- D. A503
What is the road number of Waterloo Bridge?
- A. A302
- B. A301
- C. A400
- D. A503
What is the road number of Blackfriars Bridge?
- A. A201
- B. A104
- C. A402
- D. A102
What is the road number of Vauxhall Bridge?
- A. A501
- B. A302
- C. A217
- D. A202
What is the road number of Putney Bridge?
- A. A219
- B. A501
- C. A503
- D. A201
What is the road number of the Blackwall Tunnel Southern Approach?
- A. A202
- B. A102
- C. A219
- D. A217

Find the road from its number

Which of these roads is part of the A1?
- A. Old Kent Road
- B. Bayswater Road
- C. Upper Street
- D. Kilburn High Road
Which of these roads is part of the A5?
- A. Whitechapel Road
- B. Upper Street
- C. Brixton Road
- D. Kilburn High Road
Which of these roads is part of the A23?
- A. New Cross Road
- B. Streatham High Road
- C. Clapham Road
- D. Holloway Road
Which of these roads is part of the A11?
- A. Commercial Road
- B. Kingsland Road
- C. Seven Sisters Road
- D. Whitechapel Road
Which of these roads is part of the A3?
- A. Pall Mall
- B. Brixton Road
- C. Kennington Park Road
- D. Maida Vale

Answers

C. A4. Piccadilly is part of the A4. It is in the City of Westminster.
A. A501. Marylebone Road is part of the A501. It is in the City of Westminster and Camden.
B. A40. Oxford Street is part of the A40 on OpenStreetMap. It is in the City of Westminster. Part of it was due to close to traffic from 26 October 2026, so check the map you are given.
D. A4202. Park Lane is part of the A4202. It is in the City of Westminster.
B. A4201. Regent Street is part of the A4201. It is in the City of Westminster.
C. A4200. Kingsway is part of the A4200. It is in Camden and the City of Westminster.
A. A3212. Whitehall is part of the A3212. It is in the City of Westminster.
D. A1. Holloway Road is part of the A1. It is in Islington.
C. A10. Kingsland Road is part of the A10. It is in Hackney.
D. A2. Old Kent Road is part of the A2. It is in Southwark and Lewisham.
A. A11. Mile End Road is part of the A11. It is in Tower Hamlets.
B. A13. Commercial Road is part of the A13. It is in Tower Hamlets.
B. A3. Clapham Road is part of the A3. It is in Lambeth.
D. A5. Maida Vale is part of the A5. It is in the City of Westminster and Camden.
A. A406. The North Circular Road is the A406.
C. A100. Tower Bridge is part of the A100. It is in Tower Hamlets and Southwark.
C. A302. Westminster Bridge is part of the A302. It is in the City of Westminster and Lambeth.
B. A301. Waterloo Bridge is part of the A301. It is in Lambeth and the City of Westminster.
A. A201. Blackfriars Bridge is part of the A201. It is in the City of London.
D. A202. Vauxhall Bridge is part of the A202. It is in the City of Westminster and Lambeth.
A. A219. Putney Bridge is part of the A219. It is in Wandsworth and Hammersmith and Fulham.
B. A102. The Blackwall Tunnel Southern Approach is the A102. It is in Greenwich.
C. Upper Street. Upper Street is part of the A1. It is in Islington.
D. Kilburn High Road. Kilburn High Road is part of the A5. It is in Camden and Brent.
B. Streatham High Road. Streatham High Road is part of the A23. It is in Lambeth and Croydon.
D. Whitechapel Road. Whitechapel Road is part of the A11. It is in Tower Hamlets.
C. Kennington Park Road. Kennington Park Road is part of the A3. It is in Lambeth and Southwark.

Sources

Topographical assessment guidelines, Transport for London, No date printed; PDF file dated 29 April 2026. Checked 1 November 2026. https://content.tfl.gov.uk/topographical-assessment-guidelines.pdf
OpenStreetMap map data, read through Nominatim and Overpass. © OpenStreetMap contributors, OpenStreetMap contributors, Live data, read on the date checked. Checked 1 November 2026. https://www.openstreetmap.org/copyright