3i Traffic optical guidance system in Tunnels


1. Slot:

A slot is cut into the road surface.

2. Cable:

A twin core wire is laid in the slot.

3. Node:

A node is placed between the two wires in the cable where an LED road marker is required.

4. Capacitor:

A capacitor is attached to the cable every 200m.

5. Slot sealed:

Cable placed in the slot and sealed with sealant.

6. Power supply:

The generator is attached to the cable to power the supply system.

7. LED marker:

LED markers are adhered directly over the node, which are then sealed on or into the road.



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