Interstate 94 in Michigan is currently a good article nominee. An editor has placed this article on hold to allow improvements to be made to satisfy the good article criteria. Recommendations have been left on the review page, and editors have seven days to address these issues. Improvements made in this period will influence the reviewer's decision whether or not to list the article as a good article.
Okay, per @Imzadi1979:'s suggestion, I'm focusing on only one road article at a time. Here are some notes just from a first glance.
The M-39/I-94 interchange was rebuilt sometime in the 80s, replacing a very outdated layout. I believe the MDOT maps still showed the old configuration until a few years ago, though. What source could be used here?
The reconstruction of the Willow Run routing near Belleville is noted, but I wouldn't mind a little more specificity, since I believe the freeway was rebuilt to the north, the service drives rerouted, and the Rawsonville, Belleville, and Haggerty exits rebuilt. What could be used here as a source?
Some maps, although I believe not the MDOT ones, show the west I-94 to Carpenter Road ramp still extant after the rest of the exit was obliterated for the current I-94/US-23 interchange. The Carpenter ramp appears on a 1970s USGS map, but I've seen errata on USGS maps before.
Other exits that were rebuilt over time: I-94 and Ann Arbor-Saline Road, I-94 and Maple, I-94 at Michigan in Ypsi, and I-94/Merriman/Middlebelt. Should any be noted?
Chelsea to Grass Lake uses a former routing of US-12 for the westbound lanes. This should probably be noted.
Some improvements were made a few years ago in the Kalamazoo area. I know that the US-131 exit and the Westnedge exit were rebuilt.
There was also an at-grade RR crossing west of US-23 removed in the 60s or so.
Some maps show a partial interchange at Dettman Road in Jackson. Someone once showed me an MDOT document showing plans for an exit here, but I forget where it was since this was over a decade ago.