Improved Wi-Fi services will be one of the key points of focus in Transport for London’s (TfL) plans to upgrade the city’s Underground network.

TfL has announced that wireless connections will be available in all but four Tube stations by the end of 2014.

A total of 120 sub-surface points currently boast this service, allowing commuters to log onto the internet on their mobile devices without this impacting their data allowance.

V3.co.uk says the TfL’s vision for greater wireless connectivity forms part of its plans to make Tube travel more interactive for both passengers and workers.

Ticket hall and platform staff are to be handed mobile devices to help them guide people with interactive maps of the Underground network. These same devices will be programmed to receive live service updates, helping staff inform people when shuttles will arrive.

In further changes to the way Underground stations are run, all manned ticket sales points will be scrapped in favour of more automated machines. Meanwhile ticket barriers will support contact-less card payments from 2014 – allowing regular bank cards to be used like the capital’s very own Oyster cards.

As reported by bbc.co.uk, TfL is also looking to provide 24-hour weekend services by 2015.