American truck drivers on 26735 kHz AM 26.735MHz AM. That's CB radio channel 19 "down one band", so a pretty popular frequency for obvious reasons. Just flip the band switch down from "D" to "C" (or whatever band the legal CB band is on your particular radio).
Typical truck driver conversation, with some pretty bad fading. Better received via Chris' SDR (W3HFU SDR) compared to locally.