London Underground 5G Coverage Reaches 60% of Stations as £1 Billion Network Build Nears Completion

London’s Underground is eliminating one of the UK capital’s most persistent mobile connectivity gaps, with more than 60 percent of the 121 below-ground Tube stations now live with 4G and 5G network coverage as of August 2026. Transport for London (TfL) and infrastructure partner Boldyn Networks are targeting coverage across the remaining stations and tunnels by the end of 2026. 5G network coverage in London Underground stations The transformation represents an important test of the neutral-host