Rama IX Road

It starts at Rama IX Intersection, where Ratchadaphisek meet Asok-Din Daeng Roads and acted a boundary between Din Daeng and Huai Khwang Districts, then eastward through Watthana Tham Junction, through the crossroad of Pradit Manutham and intersects with Ramkhamhaeng Road in Bang Kapi District to the end at Srinakarin Interchange, the starting point of Srinakarin Road in the area of Suan Luang District, Motorway 7 (commonly known as Motorway) is a continuous route.

[1][2] The phase between Ramkhamhaeng Intersection to Srinakarin Interchange, it has the status of National Highway 343, formerly under the supervision of the Department of Highways.

The distance from the crossing of Khlong Chuad Yai, it runs parallel to the Si Rat Expressway in form of frontage road all the route.

Its named in honour of King Bhumibol Adulyadej (Rama IX) (reigning 1946–2016).

[3][1] Bordering the road are Phra Ram 9 MRT station, MCOT Public Company Limited (MCOT), Government Housing Bank (GH Bank), Mass Rapid Transit Authority of Thailand (MRTA), Royal City Avenue (RCA), Rama IX Super Tower, etc.