Phahonyothin Road ( th, ถนนพหลโยธิน, , ) or Highway 1 is a main road in

Bangkok Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populati ...

and one of the four primary highways in

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

, which include

Mittraphap Road Mittraphap Road (, , ) or Highway 2 (, ) is one of the four primary highways in Thailand, along with Phahonyothin Road (Highway 1), Sukhumvit Road (Highway 3), and Phetkasem Road (Highway 4). It runs from Saraburi to Nong Khai. The road was ori ...

(Highway 2),

Sukhumvit Road Sukhumvit Road ( th, ถนนสุขุมวิท, , ), or Highway 3 ( th, ทางหลวงแผ่นดินหมายเลข 3), is a major road in Thailand, and a major surface road of Bangkok and other cities. It follows ...

(Highway 3), and

Phet Kasem Road Phet Kasem Road (, , )ราชบัณฑิตยสถาน. ''อ่านอย่างไร และ เขียนอย่างไร ฉบับราชบัณฑิตยสถาน.'' พิมพ์ครั้งที่ ...

(Highway 4). It begins at Victory Monument in

and runs

north North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north ...

to the Burmese border, with a total length of .

History

left, Phahonyothin Road passing 11th Infantry Regiment station Mae Sai Pass in Chiang Rai

Phahonyothin Road was originally called "Prachathipat Road" ( th, ถนนประชาธิปัตย์, ''Thanon Prachathipat'', literally "Democratic Road"), and reached just to Don Mueang. In 1938, Field Marshal Plaek Phibunsongkhram had the road extended from Don Mueang, through

Bang Pa-In Bang Pa-in ( th, บางปะอิน, ) is one of the 16 districts (''amphoe'') of Phra Nakhon Si Ayutthaya province, central Thailand. History Bang Pa-in was established in the Ayutthaya era in the name ''Khwaeng'' Uthai. In the Rattanako ...

, Ayutthaya, Saraburi, Lopburi, and Singburi, making it long. The newly lengthened road was renamed Phahonyothin Road, in honor of General Phraya Phahol Pholphayuhasena (formerly Phot Phahonyothin), the second Prime Minister of Thailand and one of the heads of the 1932 revolution.

Route

, Phahonyothin Road originates in Ratchathewi district and crosses Phaya Thai, Chatuchak, Bang Khen, Don Mueang, and

Sai Mai Sai Mai ( th, สายไหม, ) is one of the 50 districts (''khet'') of Bangkok, Thailand. It is bounded by (from north clockwise): Lam Luk Ka district of Pathum Thani province; Khlong Sam Wa, Bang Khen and Don Mueang of Bangkok. As of ...

districts before continuing into Pathum Thani Province, and on through

Ayutthaya Ayutthaya, Ayudhya, or Ayuthia may refer to: * Ayutthaya Kingdom, a Thai kingdom that existed from 1350 to 1767 ** Ayutthaya Historical Park, the ruins of the old capital city of the Ayutthaya Kingdom * Phra Nakhon Si Ayutthaya province (locally ...

Saraburi Saraburi City (''thesaban mueang'') is the provincial capital of Saraburi Province in central Thailand. In 2020, it had a population of 60,809 people, and covers the complete ''tambon'' Pak Phriao of the Mueang Saraburi district. Location Sa ...

Lopburi Lopburi ( th, ลพบุรี, , ) is the capital city of Lopburi Province in Thailand. It is about northeast of Bangkok. It has a population of 58,000. The town (''thesaban mueang'') covers the whole ''tambon'' Tha Hin and parts of Th ...

, Nakhon Sawan,

Chainat Chai Nat ( th, ชัยนาท, ) is a town (''thesaban mueang'') in central Thailand, capital of Chai Nat province. It covers the whole ''tambon'' tambon Nai Mueang and parts of Ban Kluai, Tha Chai and Khao Tha Phra, all in Mueang Chai Nat ...

, again through Nakhon Sawan,

Kamphaeng Phet Kamphaeng Phet is a town (''thesaban mueang'') in central Thailand, former capital of the Kamphaeng Phet Province. It covers the complete ''tambon'' Nai Mueang of the Mueang Kamphaeng Phet district. As of 2020, it has a population of 28,817. ...

, Tak,

Lampang Lampang, also called Nakhon Lampang ( th, นครลำปาง, ) to differentiate from Lampang province, is the third largest city in northern Thailand and capital of Lampang province and the Mueang Lampang district. Traditional names for L ...

Phayao Phayao () is a city (''thesaban mueang'') in northern Thailand, capital of Phayao Province. For administrative purposes the city is divided into 15 sub-districts (''tambons''), which are further subdivided into 172 administrative villages. The t ...

and finally

Chiang Rai Chiang Rai ( th, เชียงราย, ; nod, , เจียงฮาย, ) is the northernmost major city in Thailand, with a population of about 200,000 people. It is located in Mueang Chiang Rai District, Chiang Rai Province. Chiang Rai ...

, ending in

Mae Sai ''Mae Sai'' ( th, แม่สาย, ; Shan: , ), is the district town of Mae Sai District in the far north of Chiang Rai Province, Thailand. Mae Sai is a major border crossing between Thailand and Myanmar where the town of Tachileik, in Shan ...

district, where it connects to

Tachileik Tachileik (also spelt Tachilek; my, တာချီလိတ်, ; shn, တႃႈၶီႈလဵၵ်း, ; th, ท่าขี้เหล็ก, , ), is a border town in the Shan State of eastern Myanmar. It is the administrative seat of Ta ...

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

. Phaholyothin Road in Bangkok is also a demarcation line between districts or sub-districts in several phases as follows: #

Thung Phaya Thai Thung Phaya Thai ( th, ทุ่งพญาไท, ) is a ''khwaeng'' (subdistrict) of Ratchathewi District, downtown Bangkok. History This area formerly known as "Thung Phaya Thai", a vast field in the area of inner capital, it covers the area ...

(outbound) and Thanon Phaya Thai (inbound) in Ratchathewi district, as a continuation of

Phaya Thai Road Phaya Thai Road ( th, ถนนพญาไท, , ) is a major road in Bangkok, Thailand. It begins at the south side of Victory Monument in Ratchathewi District and continues until Sam Yan Intersection in Pathum Wan District, where it inters ...

, from Victory Monument to the bridge over the Khlong Samsen. # Phaya Thai (outbound) and Samsen Nai (inbound) in Phaya Thai district throughout the entire area, from the bridge over the Khlong Samsen to the bridge over the Khlong Bang Sue (begins July 26, 2017). # Chatuchak (outbound) and

Chom Phon The Thai rank of Field Marshal ( th, จอมพล, จอมพลทหารบก, Chom Phon) is the most senior rank of the Royal Thai Army. Today it is ceremonially held by members of the Thai royal family and exists only on paper in the ...

(inbound) in Chatuchak district from the bridge over the Khlong Bang Sue to Ratchayothin Intersection. # Lat Yao (outbound) and Chan Kasem (inbound) in Chatuchak district from Ratchayothin to Sena Nikhom Intersections. # Lat Yao (outbound) and Sena Nikhom (inbound) in Chatuchak district from Sena Nikhom Intersection to Thong Chanya Bridge. # Bang Khen district (outbound) and Sai Mai district (inbound) from the bridge over the Khlong Lam Phak Chi to

Saphan Mai 350px, Phaholyothin Road, near Saphan Mai Saphan Mai ( th, สะพานใหม่, ) is a marketplace and neighbourhood in north Bangkok, chiefly in the Anusawari Subdistrict, Bang Khen District and part of Khlong Thanon Subdistrict, Sai M ...

quarter. # Don Mueang district (outbound) and Sai Mai district (inbound) from Saphan Mai quarter to the administrative boundary line between Bangkok and Pathum Thani.

References

{{Road infrastructure in Thailand AH1 National highways in Thailand Streets in Bangkok Ratchathewi district Phaya Thai district Chatuchak district Bang Khen district Don Mueang district Pathum Thani province Phra Nakhon Si Ayutthaya province Saraburi province Lopburi province Nakhon Sawan province Chai Nat province Kamphaeng Phet province Tak province Lampang province Phayao province Chiang Rai province

History

Route

See also

Further reading

References