The Automobile Association (AA) is to phase out most of its 522 roadside SOS phones because most people now carry mobile phones.
A lack of use has meant that only a handful of calls to the AA (less than 6,000 a year) are made from the roadside help points.
Kerry Richardson, the Association's director of road services, said: "The boom in mobile phones has made our roadside phones virtually redundant."
The AA offers different services based around mobile phones, including text messages to confirm that help is on its way and to give an approximate arrival time for the patrol vehicle.
However, the phone boxes will not actually be shut down. Most will be taken over by the Highways Agency, the Welsh Assembly and the Scottish Parliament.
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