A smoking road sign in Highfield was made safe by firefighters on Sunday afternoon.
An electrical fault with the sign in Fletcher Way, Hemel Hempstead, was causing the problem.
Firefighters left the scene just before 2pm.
A smoking road sign in Highfield was made safe by firefighters on Sunday afternoon.
An electrical fault with the sign in Fletcher Way, Hemel Hempstead, was causing the problem.
Firefighters left the scene just before 2pm.