A pair of Dutch civil engineers are proposing some radical new methods to light roads. They propose to make unlighted rural roads safer by painting road edge and lane markings with luminescent paint that draw energy from the sun and then glow up to 10 hours in the dark. They also propose to use temperature sensitive paint that will illuminate to warn drivers of icing on the roads and road edge lighting powered by passing vehicles. Read more: Motorway of the future uses glow-in-the dark road paint