Originally Posted by Maelochs

Actually a good idea ... not sure "embedded in the asphalt" is the best solution---might be----they would have to be passive, and how deep they could be buried and still work would be an issue ... and how frequently they would be needed .... if they could be stuck in Botts dots or something, might be cheaper .... but definitely beats depending on satellite uplinks.

First time i have heard this idea ... I like it.