At Colby, Kansas tonight
Parts of old US 24 are still maintained by the Colorado Department of Transportation, including a short segment east of Burlington apparatntly to access a CDOT maintaince facility. It’s hard to tell what part of the frontage road is state maintained, as the pavement is consistant, if a little rough, all the way to the border. In addition, westbound traffic on old 24 encounters a “Welcome to Colorful Colorado” sign.
There’s an old rodeside park on old 24 between Burlington and the border. All that’s there is a fire pit, which has a plaque dedicated to the Blue Star Memorial Highway