The first movable solar traffic light debuts in Harbin, capital of northeast China's Heilongjiang province on Tuesday, August 28, 2007.
The Northeast Network reports that the movable solar signal light works by energy from sunlight, which saves power and thus protect the environment. Without using any cables, the new movable traffic light is particularly suitable for newly-built crossings and crossings with a large volume of vehicles.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment