The holophane park lane was a post-top lantern that was used in car parks. They were mounted on square columns most of the time, as they have a unique spigots mount that would only fit onto square columns.

Bath Road shopping park, Slough, berkshire

These holophane park lanes are in bath Road shopping park in Slough, Berkshire. They are mounted on square columns and they run on a SON lamp. Sadly, most of them have been replaced, but some still remain!