What type of thoroughfare is Phet Kasem Road?

It is a primary national highway. The route spans the greatest distance of any highway in Thailand.

Which other routes belong to the same primary highway group in Thailand?

Thailand classifies Phahonyothin Road, Mittraphap Road, and Sukhumvit Road in the same primary highway tier.

Who is the road named after?

Luang Phet Kasemwithisawasdi, also known as Tham Phetkasem, inspired the name. He worked as deputy director general for the State Highways Department.

What was the earlier name of this route?

The route originally carried the name Bangkok–Khlong Phruan Road.

Why did the government name the highway after Luang Phet Kasemwithisawasdi?

Official government policy under Major General Por Phibunsongkhram assigned highway names based on the chief engineers responsible for guiding construction.

Bangkok · Thailand

Thanon Phetkasem: was in der Nähe ist, wie man hinkommt und wann man fährt · 2026

Residents along Phet Kasem Road trade quiet side streets for relentless arterial traffic, timing daily routines around bus lines to navigate the long corridor into the city center.

Phet Kasem Road · CC BY-SA 4.0

Karte der Orte

In der Umgebung1

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Innerhalb von zwei Stunden

Krungthep-Brücke≈ 40 Min.Wat Suthat≈ 40 Min.Sanam Luang≈ 40 Min.Thanon Yaowarat≈ 40 Min.Assumption Cathedral≈ 40 Min.

Über den Ort

The longest highway in the country begins as a dense metropolitan transit corridor before connecting the capital to the southern border.

Phet Kasem Road ranks as the longest highway in Thailand, standing alongside Phahonyothin Road, Mittraphap Road, and Sukhumvit Road among the primary national routes. Early travelers knew the corridor as Bangkok–Khlong Phruan Road before official renaming ceremonies established its modern identity. For new arrivals living along the Bangkok section, the road acts as an unending spine of commercial activity and bus traffic.

The administration of Major General Por Phibunsongkhram established a policy of dedicating major highways to the chief engineers who directed their construction. The road honours Luang Phet Kasemwithisawasdi, a royal scholar of the State Railway Department who completed civil engineering studies in England. He supervised construction while serving as deputy director general of the State Highways Department.

Verbände

Luang Phet KasemwithisawasdiThe State Highways Department engineer who directed initial construction.
Bangkok–Khlong Phruan RoadThe historical designation used for the thoroughfare prior to official renaming.
Major General Por PhibunsongkhramThe prime minister who instituted naming highways after supervising engineers.
Southern highway corridorTravelling the entire southern overland route requires extensive journey time.

Fakten

Phet Kasem Road is the longest highway in Thailand.
The route was designated as Bangkok–Khlong Phruan Road prior to official renaming.
Luang Phet Kasemwithisawasdi studied civil engineering in England before supervising highway construction.
The government under Major General Por Phibunsongkhram established a policy naming highways after chief engineers.

Aktualisiert am 10. September 2026Quelle: Wikipedia

Thanon Phetkasem: was in der Nähe ist, wie man hinkommt und wann man fährt · 2026

In der Umgebung1

The longest highway in the country begins as a dense metropolitan transit corridor before connecting the capital to the southern border.

Anreise und Unterkunft

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