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Initially the team also had plans to develop weather symbols that appeared on the road once the temperature reached a certain level. A temperature-sensitive paint mixture would be used to create giant snow flake-shaped symbols on the tarmac to warn users that the road may be icy.
The current stretch of glow in the dark road in Oss does not include this temperature sensitive technology.
reply to post by VoidHawk
Doubt it would lead to advertising on the roads, other than letting drivers know about upcoming weather conditions such as snow. It is currently illegal (in California) to have your cell phone in your hands while driving and there have been a lot of don't text and drive commercials lately. Personally, I think that advertisements would be just as distracting, plus it would be against the law:
The Land Beautification act of 1695:source
Controlled signs within 660 feet - this resulted in many jumbo signs being erected beyond 660 feet.
Allows only certain signs:
Directional and official signs.
On-property signs - sale, lease or activity
New signs in commercial and industrial areas consistent with the size, lighting and spacing criteria in the State/Federal agreements.