Hate bad designers. US has some egregious road design.
Don't make stroads. Either make streets with traffic calming or roads. This will reduce most of the need for speed checks.
And instead of hiding, just put that car in plain view. People will slow down automatically. You can even cheap our and out a cardboard car to fake a police car, studies have show this worksπ
Humans can sustain a large density of cats that wasn't possible in the wild. If it's a pet cat, don't let it hunt. It will imbalance the ecosystem by adding too many predators who don't depend on the prey for sustenance