National Route 22 () is a highway in southern

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

stretching from the northwestern outskirts of

Ho Chi Minh City Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025. The city's geography is defined by rivers and canals, of which the largest is Saigo ...

, the commercial centre of the country, towards the Cambodian border to the northwest. It is the main route for trade and traffic between Cambodia and southern Vietnam. Under French administration, this highway was designated National Road 1. The highway starts on the northwestern outskirts of Ho Chi Minh City, between

District 12 District 12 may refer to: * District 12 (Ho Chi Minh city), Vietnam *Schwamendingen, Zürich, Switzerland, also known as District 12 * District 12, an electoral district of Malta * District 12 (Hunger Games), fictional district in the Hunger Games ...

and

Hóc Môn Hóc Môn is a township () and capital of Hóc Môn District, Ho Chi Minh City Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025. Th ...

. The highway passes through the town of

Củ Chi Củ Chi is a township () and capital of Củ Chi District, Ho Chi Minh City Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025. The ...

before reaching

Trảng Bàng Trảng Bàng is a town in Tây Ninh Province, in the Southeast region of Vietnam. It has a traditional artisan industry, and recently has opened an industrial zone for foreign investment. This town has a famous food called '' bánh canh Trản ...

and Gò Dầu near the Cambodian border. At Gò Dầu, one branch, Route 22A, diverges into the border town of

Mộc Bài Mộc Bài is an international border gate between Vietnam and Cambodia located in Tây Ninh Province, Vietnam. Its counterpart across the border is the Bavet border gate, Svay Rieng Province, Cambodia. As it is located on the main highway between ...

before crossing the border and becoming National Highway 1 in Cambodia while National Route 22B continues northwest into the Town of Hòa Thành, the heartland of the

Cao Đài Caodaism (; ; ; ) or Cao Đài is a Vietnamese monotheistic syncretic religion that retains many elements from Vietnamese folk religion such as ancestor worship, as well as "ethical precepts from Confucianism, occult practices from Taoism, theo ...

religion before reaching the provincial capital of

Tây Ninh Tây Ninh () is a provincial city in Southeastern Vietnam. It is the capital of Tây Ninh Province, which encompasses the town and much of the surrounding farmland. Tây Ninh is one of nine provinces and cities in the ''Southern Key Economic R ...

. The highway continues north, reaching a border crossing at the town of Trai Bi and becoming National Route 1 in Bavet in Svay Rieng Province on the Cambodian border where it leads to

Phnom Penh Phnom Penh is the Capital city, capital and List of cities and towns in Cambodia, most populous city of Cambodia. It has been the national capital since 1865 and has grown to become the nation's primate city and its political, economic, industr ...

in the northwest.

Metro Line 2

The

HCMC Metro Line 2 Line 2 is an under construction rapid transit line of the HCMC Metro, Vietnam. Line 2 is the city's second metro line, and will connect District 1, Ho Chi Minh City, District 1 and District 12, Ho Chi Minh City, District 12. The construction's pha ...

has a stretch of phase 2 and 3 runs along the route in District 12, Hóc Môn and Củ Chi, from the An Sương Terminus to Provincial Road 7 (adjacent to Trảng Bàng Town, Tây Ninh Province). Furthermore, the line will extend along the rest of the route in Tây Ninh.

References

AH1 22 {{Vietnam-transport-stub