We used to call them CB radios here in Oz when they were AM and single side band radios. Whilst people can still use these radios we now have UHF radios and it's rare to hear someone calling a UHF radio a CB. People tend to call UHF radios just that.
I'd forgotten how entertaining Smokey and the Bandit was. I'll have to find a copy and watch it again. There's some classic scenes in it.