Why Do Some Indian Highways Shine at Night Without Streetlights?

🚗 Ever seen a highway glow at night—even without lights?

If yes, you’re not alone. And if not—next time you’re on a National Highway after dark, look closely. Some Indian roads shine back at you, even without a single streetlight in sight.

So, what’s going on?

✨ The Secret: Reflective Tech Built into the Roads

Modern Indian highways are built smarter than you think.
They use:

✅ Thermoplastic road markings: These aren’t just lines—they’re infused with glass beads that bounce back light from your vehicle’s headlights, giving you crystal-clear lane visibility even in pitch-dark or rainy conditions.

✅ Cat’s eyes (Raised Pavement Markers): These tiny reflectors are embedded in the road to glow when headlights hit them. They guide drivers, especially during night drives or foggy conditions.

✅ Retro-reflective signage & barriers: Even highway dividers and rumble strips are coated to reflect light directly back to the source, rather than scattering it.

📊 Why It Matters:

Nighttime road accidents in India are disproportionately high—even with less traffic. These “silent helpers” like reflective paints and road studs significantly reduce risks by giving better visual cues in low visibility.

According to MoRTH (Ministry of Road Transport & Highways), India’s push toward better highway safety includes compulsory use of reflectives on expressways and critical corridors.

🧠 Did You Know?

These thermoplastic coatings can last 3–5 years, survive monsoons, and are eco-friendly compared to traditional paint.

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