2016
NY5326 : Close up, Elizabeth II postbox on the A6, Clifton
taken 7 years ago, near to Clifton, Cumbria, England
Close up, Elizabeth II postbox on the A6, Clifton
A6 Road
The A6 is one of the main historic north south roads in England. At 299 miles long it is the fourth longest road in the country. It currently runs from Luton in Bedfordshire to Carlisle in Cumbria, although it formerly started at a junction with the A1 at Barnet.
Wikipedia: Link
See also Link for more route detail.