https://www.familyhandyman.com/article/blue-reflectors-on-the-ground/
What Blue Reflectors on the Road Mean in the U.S.
Apr 14, 2026 - Did you know that those blue reflectors on the road mark help emergency crews find fire hydrants and water lines?
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https://lmarc.net/club/
Lookout Mtn Amateur Radio Community – Home of the N4LMC Systems and the SouthEastLink Reflectors,...
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