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If You See Black Tubes Stretching Across Road, This Is Exactly What You Should Do…

I’m always wondering what the purpose of those odd black tubes in the road is used for. Fortunately, I finally found the answers to those weird black tubes. And no, it’s not a goofy elaborate watering system.

The official name for these ominous road snakes is just “pneumatic road tube,” and if you guessed that they probably just take a traffic count, you are mostly correct. But they also do so much more!

They are used for short-term traffic counting, vehicle classification by axle count and spacing, planning, and research studies. Read the full story here ▶