The Prachim Ratthaya Expressway (), also known as the Si Rat–Outer Ring Road Expressway (), is an expressway in Thailand, located in Bangkok and Nonthaburi province. The expressway is a controlled-access toll road.
History Prachim Ratthaya Expressway was completed and opened in its entirety on 22 August 2016. It connects Si Rat Expressway to Outer Ring Road (West) (Kanchanaphisek Road). The expressway's name Prachim Ratthaya was bestowed by King Vajiralongkorn, meaning "Road to the West".
According to an official EXAT annual report, the expressway was used by 18,466,598 cars in the 2022 fiscal year, with an average of 50,594 cars per day.
Route
Kilometre 0 is counted at Kanchanaphisek Interchange.
Prachim Ratthaya ExpresswayLocationkmEastboundFacilityWestboundExit destinations (road)Toll Plaza (Entry)EnglishThaiToll Plaza (Entry)Exit destinations (road)Bangkok16.70Northbound - Ngam Wong Wan, Chaeng Watthana ( Si Rat Expressway)Bang Sue 1 (from Si Rat)Si Rat Junctionต่างระดับศรีรัชBang Sue 2 (to Si Rat) - exit onlySouthbound - Phaya Thai, Phra Ram 9, Si Lom ( Si Rat Expressway)Bangkok Bus Terminal, Chatuchak Park (Kamphaeng Phet Road) -Kamphaeng Phet 2 -12.85Wong Sawang (Bangkok-Nonthaburi Road)Rama VII BridgePracha Rat 1 Interchangeแยกทางด่วนประชาราษฎร์สาย 1Rama VII BridgeBang Pho (Pracha Rat 1 Road)12.62Expressway bridge over the Chao Phraya River11.95Bang Kruai, EGAT (Charansanitwong Road)Bang KruaiCharansanitwong Interchangeแยกทางด่วนจรัญสนิทวงศ์ -Bang Kruai, EGAT (Charansanitwong Road)Nonthaburi7.40 -Bang BamruBang Kruai Interchangeแยกทางด่วนบางกรวยBang PhlatBang Bamru railway station, Bang Phlat (Sirindhorn Road)Bangkok4.17 -Taling ChanBorommaratchachonnani Interchangeแยกทางด่วนบรมราชชนนี -Ratchaphruek Road, Suan Phak (Ratchaphruek Road)Borommaratchachonnani0.00 -Chim PhliKanchanaphisek Interchangeแยกกาญจนาภิเษก -Taling Chan, Bang Yai ( Kanchanaphisek Road)
See also
Controlled-access highways in Thailand Expressway Authority of Thailand
References