4,561 miles, or 2 percent, of Britain’s roads have no mobile phone coverage from any network provider.

The research from the RAC also revealed that a further 28,975 miles of road have only partial 2G coverage, while 14,554 miles of road or 6 percent have a complete absence of 3G coverage.

In addition, 56 percent of miles of road had no 4G coverage.

The un-served stretches of road can be found in 49 separate local authority areas, with the local authority area of Highland having 452 miles of road with no coverage.

Powys, Argyll & Brute and Cumbria were also poorly served with 437 miles, 293 miles, 252 miles respectively, while Devon had 243 miles with no signal coverage.

The RAC’s analysis was based on official Ofcom data.