Question

What are high intensity flashing lights mounted on advance warning signs used for?

1) To mark extremely hazardous conditions
2) To guide drivers at night
3) To indicate upcoming road construction
4) To warn about low visibility

Answer 1

The high intensity flashing lights mounted on advance warning signs are used to warn about low visibility on the road.

Step-by-step explanation:

The high intensity flashing lights mounted on advance warning signs are used to warn about low visibility on the road. These lights are typically used in foggy or snowy conditions to alert drivers of reduced visibility ahead. By flashing at a high intensity, they attract the attention of drivers and prompt them to slow down and proceed with caution.