The construction of one of India's most challenging and a marvel of engineering motorways -- the Rohtang Pass highway tunnel in the Himalayas -- is going to finish new strategic heights with an increased length, project engineers said on Sunday.
The 8.8 km-long horseshoe-shaped single-tube two-lane tunnel -- the world's longest motorable tunnel at over 3,000 metre above the sea level, coming up under the 3,978 metre Rohtang Pass in the Pir Panjal range will attain new strategic heights with the increased length, they added.
The Border Roads Organisation (BRO) has been working on the Rs 4,000-crore tunnel project --