In which English town was the world's first official crosswalk marked with stripes, known as the zebra crossing, installed?

Answer

Slough, England

The first official crosswalk with stripes, the zebra crossing, was installed in Slough, England, in 1951, named for its resemblance to a zebra’s stripes.

In which English town was the world's first official crosswalk marked with stripes, known as the zebra crossing, installed?
inventionSafetySignaltrafficcrosswalk