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Transport for London (TfL) operates one of Europe's most dog-friendly urban transport networks. Dogs travel free on all TfL services — Tube, bus, DLR, London Overground, and Tram — with no size limit on the dog, only behavioural requirements. The single biggest practical challenge is the deep-line Tube escalators: you must carry your dog (unless it is trained to walk escalators or there is a lift available). Stations with lifts are step-free and make dog travel much more practical.
| Mode | Policy | Tip |
|---|---|---|
| Underground (Tube) | Dogs travel free. Must be kept on a short lead or in a suitable carrier at all times. Not permitted on seats. Staff cannot take charge of animals. Dogs must be carried on moving escalators unless trained to walk them or a lift is available. Check TfL's step-free access map before travelling to avoid deep-line stations. | 💡 |
| Bus & Tram | Dogs travel free. Permitted at driver's discretion — a driver may refuse if the dog seems dangerous or uncontrolled. Dogs must be on a lead and not on seats. In practice, well-behaved dogs on leads are accepted without issue on the vast majority of London buses. | 💡 |
| National Rail & Elizabeth Line | Dogs travel free on most National Rail services within London and the Southeast. Well-behaved dogs are allowed on all Elizabeth Line (Crossrail) services. On longer National Rail journeys outside London, a maximum of two dogs per passenger applies. Dogs must be on leads. | 💡 |
TfL journey planner with step-free access filter: tfl.gov.uk/plan-a-journey. Check 'Step-free access' to find tube stations with lifts — essential for large dogs who can't use escalators. TfL pets policy: tfl.gov.uk/travel-information/safety/pets-on-public-transport. National Rail dog policy and ticket purchase: nationalrail.co.uk.
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