Recently Etna Pa installed a 10 Watt AM Radio Transmitter in town and then put up signs with blinkers that come on to warn when there is flooding and other emergencies in the town
You will find these same signs at many important intersections of major Highways and Interstates
Known as The Information Radio System
This government funded program is used all across the country from helping get important traffic information to welcoming and giving guests to national parks information they need.
https://www.fcc.gov/media/radio/travelers-information-stations-search
https://theradiosource.com/resources/stations-all.htm
The service which is limited to 10 watts from 530-1700 kHz and covers approx 4 square miles .
Well you say no big deal cars have FM radio as well well that is a problem FM radio band is totally overcrowded in many areas due to AM Stations which have FM Translators taking up many spaces on the dial and FM does not have the spread coverage that AM does You need almost double to ripple the wattage .
This is why the congress must pass senate bill which requires AM in all cars. with the recent hurricane Helene the only stations up and working after the storms where AM providing life saving information
When the chips are down AM Radio can be depended on
