Because reasons:
• No clear, direct or signed SB routing that leaves I-30
• Not signed at exit from the NB mainline
• So thru travelers following signage will stay on I-30 anyway
• AASHTO log lists US67 as overlapping I-30 thru this area, not joining/leaving.
Mainline US67 will stay as-is, concurrent with I-30. US67Bra will be added as a separate route.
jayhawkco, did you see the above quote from earlier in the thread?
I did see it. I guess I just feel like since we take everything on this site as "how it's posted in the field" as opposed to official designations (with the exception of interstates that got grandfathered in), if there aren't any US67 signs on I-30 and there ARE signs through Brashear, that that means it goes through Brashear, no?
There are plenty of other examples that we have on here that are similar. US6 in Colorado for instance. It's rarely (if ever) signed when leaving I-70 in mountain towns, but there are US6 shields once you get off the highway. If a thru traveler was trying to stay on US6, they wouldn't get off I-70 either.
So basically US6 in CO hits three of the four bullet points above, and since there's a discrepancy between AASHTO and the state planning map, I don't think we can really use "official designation" as a guideline one way or the other.