They were testing #4611 in Illinois the past few days on three of the four Illinois-sponsored routes. Here's a vid from north of Chicago catching it on the CHI-MKE round trip:
/>
We were supposed to see it here Thursday evening/Friday morning on the Chicago-Carbondale test run, but there were issues that kept it in Chicago. It was fixed for the Quincy run on Saturday/Sunday. Missed it by
that much.