"why dont they do it over here.? "
They do. It's available on RDS radios. It's up to the station to decide what, if anything they transmit.
RT (radio text)
This function allows a radio station to transmit a 64-character free-form textual information that can be either static e.g. station slogans or in sync with the programming such as the title and artist of the currently playing song.



