Chalong Rat Expressway
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Ram Inthra Road (Ram Inthra Interchange)| Chalong Rat Expressway ทางพิเศษฉลองรัช | |
|---|---|
 | |
| Route information | |
| Maintained by Expressway Authority of Thailand | |
| Length | 28.2 km (17.5 mi) |
| Existed | 6 October 1996–present |
| At Narong–Ram Inthra | |
| Length | 18.7 km (11.6 mi) |
| North end | Ram Inthra Road (Ram Inthra Interchange) |
| Major intersections |  Chaloem Maha Nakhon Expressway, S1 Expressway |
| South end | At Narong Junction |
| Ram Inthra–Outer Ring Road (West) | |
| Length | 9.5 km (5.9 mi) |
| North end |  Outer Ring Road (East) (Kanchanaphisek Road) |
| Major intersections | Si Rat Expressway |
| South end | Ram Inthra Road (Ram Inthra Interchange) |
| Location | |
| Country | Thailand |
| Highway system | |
The Chalong Rat Expressway (Thai: ทางพิเศษฉลองรัช) is an expressway in Thailand, located in Bangkok. It is 27.1 kilometres in length. The expressway has played an important role in alleviating ground-level road traffic in Bangkok. The expressway is a controlled-access toll road.[1]
Due to a significant increase in road traffic on the Chaloem Maha Nakhon Expressway and heavy ground-level road traffic on the Lat Phrao, Phra Ram 9 and Ram Inthra roads, an expressway was proposed in order to alleviate this. The Expressway Authority of Thailand (EXAT) was tasked to construct this expressway, of which the first section between was opened Ram Inthra–At Narong on 6 October 1996. This connected Ram Inthra Road with the Chaloem Maha Nakhon Expressway at At Narong Junction. The second section between Ram Inthra–Outer Ring Road (East) was opened on 23 March 2009 and connected Ram Inthra Road with Outer Ring Road (East), or Kanchanaphisek Road.[1]
According to an official EXAT annual report, the expressway was used by 70,559,374 cars in the 2022 fiscal year, with an average of 193,314 cars per day.[2]
In July 2024, a planned extension[3], EXAT moved forward with the northern expansion of the Chalong Rat Expressway, awarding the Chatu Chot–Lam Luk Ka extension contract to Italianthai Development. The project, valued at ฿18.70 billion, involves building an elevated link to connect the current terminus with Pathum Thani.[4][5]
The construction is scheduled to take about three years. ITD secured the project by narrowly outbidding other major firms including Ch. Karnchang, Sino-Thai, and Unique Engineering. This 16.2-kilometer segment serves as the initial phase of the expressway's eventual reach toward Nakhon Nayok and Saraburi.[5]
