Jubilee line pilot

As part of the Mayor's 'Smarter London Together' plan TfL is investing in a 4G pilot on the eastern section of the Jubilee line.  This pilot is now available on station platforms and in tunnels between Westminster and Canning Town. Further improvements to the service will take place during the weeks following launch.  

The pilot section will allow customers to check for the latest travel information, catch up on social media and read their emails or the latest news uninterrupted, as part of their journey.

"We are delighted to have delivered this pilot of 4G mobile signal on the eastern end of the Jubilee line. This has been very complex work to install the necessary equipment to allow our customers to be able to get phone reception within our tunnels while keeping the stations open and operational. We are now looking at extending the pilot to cover the entire Jubilee line by the end of the year, as well as award our wider concession to all the whole Underground network to be connected in the future. "

The trialling of 2G, 3G and 4G mobile services along this section of the London Underground network will allow TfL and the mobile operators to gain valuable experience of delivering mobile services on the Underground ahead of awarding a concession in summer 2020.  

We have installed a neutral host distributed antenna system (DAS).  The service covers ticket halls and corridors within stations along this section of the Jubilee line, with the exception of London Bridge and Waterloo stations which, subject to final approvals, will be added later during 2020.

Participating network operators

All four UK mobile phone network operators: EE; Vodafone; Telefonica O2 and 3UK are taking part in the trial and are offering a service to their customers and the networks that operate using their services. This means that all customers will be able to stay connected underground, even if you use a different UK-based provider.

How to connect

Your phone should automatically search for and connect to the mobile connectivity signal as if you were above ground. As this pilot is testing the system, there may be times when the signal is variable in quality and the mobile coverage within the pilot area may be subject to refinements and changes 
Your phone will also be able to connect to station Wi-Fi when available.

How long is the pilot?

The pilot is a non-commercial project running for 12 months, and is part of TfL's long-term investment plan to deliver mobile connectivity below ground. The pilot will help us roll out 4G connectivity across the London Underground, providing insight into how customers will use the 4G service. 

Connected London

We are partnering with the telecoms industry to create this vision of a Connected London, and to generate revenue to reinvest in the transport network.

In summer 2018, we asked interested parties to return a Standard Selection Questionnaire (SSQ) and shortlisted suppliers with suitable financial and technical capability were invited to tender.  Bids have now been evaluated and shortlisted tenderers submitted final tenders on 6 March 2020. We will announce the contract winner in summer 2020.

Check back here for the contract award announcement.

We are creating:

A public cellular network

We have plans to add mobile coverage in Tube stations and tunnels so commuters can enjoy seamless connectivity. Soon, we will announce our new industry partner, together we will make available a new commercial 4G network underground and offer commercial services to other operators.

We have significant assets and the operational and engineering expertise to support the building of the new network.

A new fibre backbone for London

Fibre optic internet is becoming a standard, rather than a luxury. The capital's future digital connectivity will be built on fibre.

Our roll-out of underground mobile services has seen hundreds of kilometres of fibre laid in tunnels, creating a new fibre backbone for London. We also own the surface assets to support 'last mile' connectivity.

Enhanced 4G networks and the coming of 5G

The next generation of mobile networks - expected to be rolled out in the coming decade - will help address data consumption demand from the mobile market. To bring super-fast connections to mobile devices, many more cell sites will be needed, especially in high footfall areas.

We have many assets on streets, such as lighting columns, that the partnership can use to provide unparalleled 5G and improved 4G coverage above ground and 4G underground.

Waterloo & City line trial

Prior to the Jubilee line trial in summer 2017, we worked with mobile network operators on a trial of mobile coverage during non-passenger hours in the stations and deep-level tunnels of the Waterloo & City line.

See our summary report of the trial in the document below.

workman with cable

Current Wi-Fi services

We have installed Wi-Fi across more than 260 Tube stations and 79 London Overground stations. Wi-Fi is available in the ticket halls, passenger corridors and platforms of these Tube stations and in the ticket halls and passages of the Overground stations.

We will extend Wi-Fi to the new Elizabeth Line stations at Farringdon, Tottenham Court Road, Woolwich, Canary Wharf, Paddington, Whitechapel, Custom House, Bond Street, Liverpool Street and Abbey Wood in time for the opening of each station.

Public Wi-Fi will still be available to customers as part of Connected London.

See more about our current Wi-Fi service on the Station Wi-Fi page.