Comment Road Conditions (Local AM Radio) (Score 1) 209
On some mountainous highways that get icy conditions, there are highway department operated AM radio stations that play an audio loop covering the state of road conditions and upcoming road closures. Some of these conditions can be shown on some of the electronic signs, but the full story is within the audio loop.
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The road condition signs read "Road Conditions: Tune to AM 1540 when flashing (with lights above the sign)"
Due to some car manufacturers starting to no longer include a basic AM/FM radio, there is talk of modifying the vehicle code to make such a radio mandatory safety equipment.