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Inside the world’s longest road tunnel that rewrote driving safety

Inside the world’s longest road tunnel that rewrote driving safety

Business Today Desk

Updated Jan 20, 2026, 11:58 AM IST

Endless Asphalt

1/9

Mountain Burrow

2/9

Mind Engineering

3/9

Color Chambers

4/9

Pause Zones

5/9

Safety Obsession

6/9

Clean Breathing

7/9

Costly Vision

8/9

Quiet Rival

9/9