No Conflict: In some international standards (such as the APWA standard or ANSI, which is sometimes also followed in the Netherlands by specialized companies), “NO” means that at that specific location there is no conflict with the utility lines of a particular operator. The color of the letters then indicates which sector is “clear.”
#publicspace
Beneath every street lies a network of cables, pipes, and conduits. Knowing precisely what rests below the surface is why utility locators leave behind a score of color, numbers, lines and directions painted on the ground.
#publicspace #amsterdam