Why Are There Chains Hanging Under Some School Buses?
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Why do buses and ambulances have chains hanging from the rear axles? - Quora
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TIL the chains that you can see hanging under school buses and trucks are there to provide traction in snow. With the flip of a switch, the chains will lower automatically and
Amazon.com: SCC Peerless 0232605 Auto-Trac Light Truck/SUV Tire Traction Chain - Set of 2 : Automotive
Why Are There Chains Hanging Under Some School Buses?
Why do all school buses (at least in Virginia) have chains hanging from the under carriage when there is no chance of being driven with even a dusting of snow? - Quora
