The Si Rat Expressway (), also known as the Second Stage Expressway System (), is an expressway in
Thailand
Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...
, located in
Bangkok
Bangkok, officially known in Thai language, 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 estim ...
and
Nonthaburi province. It is the second expressway to be opened in the country and is in length. The expressway has played an important role in alleviating ground-level road traffic in Bangkok. It is a
controlled-access
A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway, and expressway. Other similar terms ...
toll road.
History
Due to a significant increase in road traffic in the
Bangkok Metropolitan Region
The Bangkok Metropolitan Region (BMR) (; ; ), may refer to a government-defined "political definition" of the urban region surrounding the metropolis of Bangkok, or the built-up area, i.e., urban agglomeration of Bangkok, Thailand, which varies in ...
, and after the
Chaloem Maha Nakhon Expressway was opened, a second expressway was proposed in order to alleviate the increased traffic. The Expressway Authority of Thailand (EXAT) assigned
Bangkok Expressway and Metro (BEM) to construct this expressway and a contract was signed on 22 December 1988.
Expressway construction was opened in four stages, named A to D. Section A between Pracha Chuen–Phaya Thai–Phra Ram 9 was opened on 2 September 1993 along with Section C between Phra Ram 9–Srinagarindra which opened on the same day. Section B between Phaya Thai–Bang Khlo opened on 6 October 1996. Section D between Pracha Chuen–Chaeng Watthana opened on 1 April 2000.
According to an official EXAT annual report, the expressway was used by 200,645,817 cars in the 2022 fiscal year, with an average of 579,901 cars per day.
Route
See also
*
Controlled-access highways in Thailand Controlled-access highway, Controlled-access highways in Thailand are systems that can be used only by cars, trucks, and certain types of buses, forming a spider-web network around the Bangkok Metropolitan Region, Greater Bangkok area and eventually ...
*
Expressway Authority of Thailand
The Expressway Authority of Thailand () (EXAT) is a state enterprise under the Ministry of Transport. It was founded in 1972, and operates Thailand's expressway ( ''thang phiset'') system, which refers to (usually elevated) high-capacity contro ...
References
{{Road infrastructure in Thailand
Expressway Authority of Thailand expressways