[Talk-us] Freeway directions

Alexander Jones happy5214 at gmail.com
Fri Oct 18 05:36:58 UTC 2013


Tod Fitch wrote:

> For what it is worth, it is my understanding that within a state the use
> of a particular number, at least outside of triple digit urban beltways
> and penetration Interstates, is supposed to be unique. So if I-10 goes
> through your state, there will be no US10 nor a state highway 10. I
> haven't paid much attention to this in other states I've visited but it
> seems to hold true for California. If true throughout the US then it could
> be used to help validate highway route numbers.

That's more of an exception rather than a rule. There's a Texas State 
Highway 10 near Fort Worth, despite us also having an Interstate 10.

-Alexander





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