The first section, about 6 km between Paddington and Farringdon Street, opened on 9 January 1863; passenger service began the next day. Location: London, England. Key figure: ~6 km first line. Part of the One State One Record (United Kingdom) campaign. Reference record compiled from public sources; not certified by The Book of World Records. Source: https://www.guinnessworldrecords.com/world-records/first-underground-railway-system
Record no. MRB-2026-007265
World's Oldest Underground Railway
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.