O.K., apparently googling doesent always take away the fun. However, here is a question and I doubt very much you will ever get this answer from Google.
A few years ago, in the days before Station Road in the Bay as closed to traffic,a large "obstruction" arrived at the Conwy Road end of Station Road effectively making it impossible for any traffic to enter. It was there for five or six days and nights.
What was it and why was it there?