What You Should Do When You See Black Cables on the Road – The Surprising Truth Behind Those Mysterious Rubber Strips

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🛠️ How It Works:

Two rubber tubes are stretched across the road and anchored at the edges.

Each time a vehicle’s tire rolls over the tube, it sends a pulse of air through the hose.

That pulse triggers a small counting device in a weatherproof box at the roadside.

The device records:

Number of vehicles

Speed

Direction

Axle count (to distinguish cars from trucks)