Silencing the loud spoken traffic congestion warnings

Every now and then, a rather loud, serious male voice announces that there is "a five minute delay due to traffic congestion ahead" (For those of a certain age, it sounds like the guy who did the nuclear attack warning from the 80s that had a starring role on Frankie's "Two Tribes" 12" single...). It's way louder than the Car Play voice announcements (and my Siri and Google Maps are a nice northern lady), and it's not the Voice of Skoda either (which is also female, and quieter). The ONLY thing this voice ever announces is Traffic Congestion. It may be associated with Traffication, but I can't find the "Traffication" app anywhere in the menus that my online searches suggest I should be able to find it in, and I don't know why it would be turned on, anyway -- I've never signed up for or activated it. I've looked through various menus and setting screens both generic and my own user settings, and I cannot find any way to turn it off.

It's frankly, annoying (and makes me jump every time it blares out), and I'd really like to know how to silence this dude... anyone had the same problem and found a remedy?

best,

M.