What is the main function of horizontal reflectors installed on the road?

Question

DentroTest · Accepted Answer

Horizontal reflectors (commonly known as 'road studs' or 'cat's eyes') are retro-reflective optical guidance devices placed on the road surface. Their main technical function is to indicate the edge of the carriageway or mark the limits of road works (often yellow or orange in the latter case). They work by reflecting the vehicle's headlights, serving as a crucial visual guide during night driving or in low visibility conditions. They should not be confused with painted road markings, as reflectors provide relief and higher reflectivity.

What is the main function of horizontal reflectors installed on the road?

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