What is the purpose of those long and thin black cables that stretch across public roads that typically attach to an electronic looking box on the side of the road attached to
![I've been seeing these lately, what are the set of cables that get laid across the road for a few days at a time in spots? Usually it's a set of 2 I've been seeing these lately, what are the set of cables that get laid across the road for a few days at a time in spots? Usually it's a set of 2](https://qph.cf2.quoracdn.net/main-qimg-9981be4d91c28946a791e9d6bf0e2a13.webp)
I've been seeing these lately, what are the set of cables that get laid across the road for a few days at a time in spots? Usually it's a set of 2
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