“Looking at the two largest collections of debris, it looks like the debris field is at least a half mile long and who knows how wide, stretching across I-275”
At least. Kemper road being shut down til NTSB finishes is going to cause massive problems for the Friday rush hour crowd, and the rest of the weekend, depending how long they hold the scene secure.
Artimis was showing Reed-Hartman closed as well. 275 they have strangely left open (and it appears to be flowing very smoothly). Traffic continues to go right past the section of wing on the on-ramp.