Which railway line is the longest in the world?

A
California Zephyr
B
The Canadian
C
Trans-Siberian
The Trans-Siberian Railway is the world's longest passenger railway, with a total length of 9,288 km from Moscow to Vladivostok.
The railway runs from the capital Moscow in the west to the city of Vladivostok in the east, near the Chinese border. It was once hailed as "the most beautiful jewel in the crown of the Tsars".
Russia built this route to strengthen its position in the East. During the Russo-Japanese War (1904-1905), the Trans-Siberian was used for military purposes. Today, the Trans-Siberian has two branches that pass through China and Mongolia.
D
Kiev–Vladivostok

A
875
B
876
The construction of this railway took 25 years, from the time Tsar Alexander III announced the "Great Trans-Siberian Road" project in 1891. The train line began carrying passengers in 1903. However, passengers could not travel continuously, but had to get off the train, travel by ferry across Lake Baikal and catch another train to continue their journey.
The Trans-Siberian Railway has about 876 passenger train stations. The Trans-Siberian Railway crosses a total of 7 time zones. For example, early afternoon in Moscow is when people in Vladivostok are having dinner. The journey is like a time travel.
C
877
D
878

A
1
B
2
C
3
The Trans-Siberian Railway crosses 497 bridges, runs through 15 tunnels and crosses 16 major rivers.
In addition, the Trans-Siberian Railway passes through 87 major cities, 3 countries and 2 continents.
The most spectacular is the Trans-Siberian railway running along the world's largest freshwater lake by volume, Lake Baikal, with a length of 207 km.
D
4

A
Saigon - My Tho
B
Unified
The North-South Railway or Thong Nhat Railway is a railway line that starts in Hanoi and ends in Ho Chi Minh City. The North-South Railway runs parallel to National Highway 1A, with many intersections, especially in the provinces.
The total length of the route is 1,726 km, with a width of 1m, passing through the following provinces and cities: Hanoi, Ha Nam, Nam Dinh, Ninh Binh, Thanh Hoa, Nghe An, Ha Tinh, Quang Binh, Quang Tri, Thua Thien Hue, Da Nang, Quang Nam, Quang Ngai, Binh Dinh, Phu Yen, Khanh Hoa, Ninh Thuan, Binh Thuan, Dong Nai, Binh Duong, Ho Chi Minh City.
C
Hanoi - Dong Dang
D
Bac Giang - Luu Xa Thai Nguyen

A
Bac Giang - Luu Xa Thai Nguyen
B
Hanoi - Dong Dang
C
Unified
D
Saigon - My Tho
According to the General Statistics Office, in 1881, the first railway line in Vietnam and Indochina was started to be built with a length of 71 km connecting Saigon with My Tho.
After that, the railway line was expanded with a total length of 2,600 km across three regions of the country. As the earliest railway system in Southeast Asia with synchronous capacity in both material - technology and human resources, there were periods when the railway played a very important role, accounting for up to 30% of the total market share of the transport sector, contributing positively to the socio-economic development, national defense - security of the country.