London Underground stations visited by only one non-human participant listed by line
57 stations and 5 participants
Bakerloo line
Central line
West Ruislip branch
main stretch
Epping branch
Woodford via Hainault branch
Circle line
District line
Upminster branch
Ealing Broadway and Richmond branches
Wimbledon branch
Kensington (Olympia) branch
Hammersmith & City line
Jubilee line
Metropolitan line
Northern line
Morden branch
Bank branch
Charing Cross branch
Edgware branch
High Barnet and Mill Hill East branches
Piccadilly line
Uxbridge branch
Heathrow branch
Victoria line