signal specs

[cesarbaq]

Hi, Is there a place online or out where I can find the specs for the signals used on streets and highways? I mean the size of the signals, letters, colors, etc of the signals that says for example i-95, 55 mph, 107st in 2miles, etc

thanks,

Cesar Baquerizo

 

[ishvaaag]

Not for USA but just in case you have interest in many codes for spanish roads you can find on sgnals and others in the link

http://www.miliarium.com/Proyectos/Carreteras/Normativa/