Are there color standards for US Transportation roads such as Interstate, County,, Interstate, local, private, state highway and other roads out there ?
a quick search turned up this thread
symbology - What is the color standard for roads or Transportation for USA? - Geographic Information Systems Stack Excha…
Symbology Standard for Transportation/DOT's
Others can be found by web searching using 'US Transportation symbology'
Dan Patterson ha ha trying to get more respond...I guess NOT !!!
AASHTO - Subcommittee on Traffic Engineering - Charge Statement
Thanks. That is good to know.
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