Traffic-light signalling and operation to a double red light. Tianjin in the People's Republic of China has two very special systems of traffic lights, in use since : One system is where there is a horizontal bar in a specific colour, with the colour changing and the bar shrinking. The shrinking bar indicates the time remaining in that colour. The colour itself is either red (stop), yellow or green (go). A blinking green one-third-full bar means "reduce speed now", and a blinking yellow full-bar indicates "proceed with caution". When lights of this system turn from green to red, the diminishing green bar will flash
Ship Shoal Light the water. The paint was stripped and the tanks relined with coal tar. The tower survived many hurricanes, but over time the tower developed a considerable tilt, which placement of granite blocks around the footings in 1896 was not sufficient to remedy. The beacon was automated in 1929 and discontinued in 1965, and the tower abandoned, though quick flashing lights were set on the structure to warn of the obstruction. The town of Berwick plans to move the tower to a park in the town, adjoining the Southwest Reef Light which has already been relocated there, but Ship Shoal Light