What is underground road called?

Subway
The correct answer is Subway. The passage under the busy road is called the subway. Subways are usually built under city streets. The underground railway system is also called the subway used to transport large numbers of passengers within urban and suburban areas.

Which type of road is constructed under the road Class 7?

Answer : Flyovers and expressways are constructed above the ground as elevated roads. Subways are constructed under the ground.

How are tunnels constructed?

There are three basic types of tunnel construction in common use. Cut-and-cover tunnels are constructed in a shallow trench and then covered over. Bored tunnels are constructed in situ, without removing the ground above. Finally, a tube can be sunk into a body of water, which is called an immersed tunnel.

Which is the highest roadway in the World Class 7?

The Manali-Leh highway in the Himalayas is the highest road in the world.

How underground Tunnels are built?

To use this method, builders dig a trench in the riverbed or ocean floor. They then sink pre-made steel or concrete tubes in the trench. After the tubes are covered with a thick layer of rock, workers connect the sections of tubes and pump out any remaining water.

Which type of way is constructed during Tunnelling?

There are three basic types of tunnel construction in common use: Cut-and-cover tunnel, constructed in a shallow trench and then covered over. Bored tunnel, constructed in situ, without removing the ground above. They are usually of circular or horseshoe cross-section.

Which is the world’s highest road?

The 52-km long tarmac road is at an incredible height of 19,300 feet and it passes through Umlingla Pass in Eastern Ladakh, making it the highest motorable road in the world.

Which is the longest national highway in India?

National Highway 44
– National Highway 44 – It is the longest national highway in India with a length of 4,112 km running from Srinagar in the north to Kanyakumari in the South. This highway connects 11 states and about 30 important cities with each other.

Which of the following is used for tunnel lining construction?

The basic materials for tunnel lining construction are cast-in-place concrete, cast-in-place and prefabricated reinforced concrete, cast iron and steel. These materials are chosen according to conditions of construction area and tunnelling methods.