This July 23 article reports that MAP-21 changed the ADHS funding formula: ADHS projects now can be paid 100% with federal dollars, BUT that money is no longer specifically designated for particular projects; the Northern Beltline will now have to compete with other projects for the funding
Yeah, I think that was a clever way to get more/any federal funding for the project, right?
Initially, the Corridor X-1 designation allowed the Northern Beltline to get ADHS earmarked funding (although the recent enactment of MAP-21 has dramatically changed the allotment of ADHS funds, as discussed upthread). That said, I don't think the numerical
interstate designation would have had any effect on the ADHS funding (although I would love to hear from ADHS experts if that is not the case). Also, in looking at the below
ARC map of Corridor X-1, I wonder if they ever considered I-420 as the interstate designation:

Although still in the books, the I-59 to I-20 section of Corridor X-1 seems to have fallen off of ALDOT's radar screen. Also, maybe ALDOT anticipated numerous thefts of "I-420" shields and decided it would be safer to go with an I-422 designation.
