I remember the kerbs in town identified with paint to aid blackout driving.....two or three white stripes painted at intervals along the kerbs.
Not quite the same but still worth posting. LONDON AS USUAL: EVERYDAY LIFE IN LONDON, ENGLAND, 1940. © IWM (D 1787)IWM Non Commercial Licence LONDON AS USUAL: EVERYDAY LIFE IN LONDON, ENGLAND, 1940. © IWM (D 1788)IWM Non Commercial Licence
Few more here. BLACKOUT PRECAUTIONS FOR DRIVERS, LONDON, ENGLAND, 1941. © IWM (D 2734)IWM Non Commercial Licence