Okay, this is the part nobody talks about, but we have to. If you can, and it’s safe, move the cat to a quiet spot off the road. Use a shovel, a piece of cardboard, or a thick towel. Don’t use your favorite bath towel unless you’re ready to say goodbye to it. The goal is just to give the cat some dignity until proper help arrives.
3 Easy Ways to Handle the Remains of a Deceased Cat - wikiHow
Then, call your local animal control, the non-emergency police line, or a local rescue group. They can dispose of the body respectfully for free or a small fee. Please don’t just leave it in a dumpster—that’s not how we treat creatures who shared our sidewalks and sunbeams.