- Dec 31, 1969
It seems that glow in the dark roads work best when the glow in the dark paint isn't sensitive to stuff like rain and humidity. Whoops!
Civil engineering firm Heijmans, which is running the pilot project with interactive artist Daan Roosegaarde, confirmed to the BBC that the road markings were sensitive to large amounts of moisture due to rainfall. This meant the road markings were not giving out a consistent level of light.