The Elizabeth line has received 4G and 5G mobile connections for the first time between Liverpool Street and Paddington stations.

After all stations on the line got mobile coverage earlier this year, Transport for London (TfL) and Boldyn Networks, TfL’s partner in delivering the connectivity, have now introduced coverage within the tunnels from the Royal Oak portal to the west of Paddington to Liverpool Street station – approximately five miles.

All four mobile network operators – Three UK, EE, Vodafone and Virgin Media O2 – are taking part in the roll-out.

TfL said further tunnelled sections to Whitechapel, Canary Wharf and Woolwich will be connected across the summer, building on all Elizabeth line stations getting mobile coverage earlier this year.

The current roll-out should see around 80% of all London Underground stations, ticket halls and tunnels connected by the end of 2024, or around 220 of 272 stations.

A signal is provided along tunnels using cables known as ‘leaky feeders’ that...