# Si Rat Expressway

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Road in Thailand

Si Rat Expressway ทางพิเศษศรีรัช Second Stage Expressway System ระบบทางด่วนขั้นที่ 2 Route information Maintained by Bangkok Expressway and Metro Length 38.4 km (23.9 mi) Existed 2 September 1993–present A (Pracha Chuen-Phra Ram 9) Length 12.4 km (7.7 mi) North end Prachachuen Interchange Major intersections Chaloem Maha Nakhon Expressway, Prachim Ratthaya Expressway East end Asok-Din Daeng Interchange B (Phaya Thai-Bang Khlo) Length 9.4 km (5.8 mi) North end Phaya Thai Junction South end Chaloem Maha Nakhon Expressway C (Phra Ram 9-Srinagarindra) Length 8.0 km (5.0 mi) East end Asok-Din Daeng Interchange Major intersections Si Rat Expressway, Chalong Rat Expressway West end Motorway 7 D (Pracha Chuen-Chaeng Watthana) Length 8.6 km (5.3 mi) North end Udon Ratthaya Expressway, Chaeng Watthana Road Major intersections Ngam Wong Wan Road South end Prachachuen Interchange Location Country Thailand Highway system Highways in Thailand Motorways Asian Highways

Si Rat Expressway at Si Lom Interchange

The **Si Rat Expressway** ([Thai](/source/Thai_language): ทางพิเศษศรีรัช), also known as the **Second Stage Expressway System** ([Thai](/source/Thai_language): ระบบทางด่วนขั้นที่ 2), is an [controlled-access](/source/Controlled-access_highways_in_Thailand) toll road in [Thailand](/source/Thailand), located in [Bangkok](/source/Bangkok) and [Nonthaburi province](/source/Nonthaburi_province). It is the second expressway to be opened in the country and is 38.4 kilometres (23.9 mi) in length. The expressway has played an important role in alleviating ground-level road traffic in Bangkok.[1]

[Si Rat MRT station](/source/Si_Rat_MRT_station) on the [Pink Line](/source/Pink_Line_(Bangkok)) is named after the expressway.

## History

Due to a significant increase in road traffic in the [Bangkok Metropolitan Region](/source/Bangkok_Metropolitan_Region), and after the [Chaloem Maha Nakhon Expressway](/source/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)](/source/Bangkok_Expressway_and_Metro) 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.[1]

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.[2]

## Route

This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. Please consult this guideline for information on how to create one. Please improve this article if you can. (April 2023)

Si Rat Expressway Bang Khlo – Chaeng Watthana (Sections A, B and D) Location km Northbound Facility Southbound Section Exit destinations (road) Toll Plaza (Entry) English Thai Toll Plaza (Entry) Exit destinations (road) Bangkok 0.00 Eastbound - Bangkok Port, Din Daeng, Bang Na ( Chaloem Maha Nakhon Expressway) Sathu Pradit 2 Bang Khlo Junction ต่างระดับบางโคล่ - Westbound - Dao Khanong ( Chaloem Maha Nakhon Expressway) B Phra Ram 3 2.02 Trok Chan Intersection (Chan Road) Chan Chan Interchange แยกทางด่วนถนนจันทน์ - Sathu Pradit Intersection (Chan Road) 3.25 Sathon Road, Taksin Bridge (Sathon Road) - Sathon Interchange แยกทางด่วนถนนสาทร Sathon - 3.70 - - Si Lom Interchange แยกทางด่วนถนนสีลม - Surasak Intersection (Si Lom Road) 4.00 - Surawong Surawong Interchange แยกทางด่วนถนนสุรวงศ์ - - 5.30 Hua Lamphong (Rama IV Road) Hua Lamphong Mahanakhon Interchange แยกทางด่วนมหานคร Saphan Sawang Sam Yan (Rama IV Road) 7.10 Urupong, Yommarat, Lan Luang Road, Phitsanulok Road (Phetchaburi Road) Yommarat Urupong Interchange แยกทางด่วนอุรุพงษ์ Urupong Ratchathewi (Phetchaburi Road) 9.50 Eastbound - Phra Ram 9, Srinagarindra Road ( Si Rat Expressway) - Phaya Thai Junction ต่างระดับพญาไท - - A, B 10.50 Khlong Prapa, Pradiphat (Rama VI Road) Khlong Prapa 1 Khlong Prapa Interchange แยกทางด่วนคลองประปา Khlong Prapa 2 Sam Sen, Ministry of Finance (Rama VI Road) A 12.50 Chatuchak Park, Chatuchak Market, Bang Sue ( Kamphaeng Phet Road) - Kamphaeng Phet Interchange แยกทางด่วนถนนกำแพงเพชร Yan Phahon Yothin - 13.90 Chatuchak Park, Bangkok Bus Terminal, Krung Thep Aphiwat Central Terminal (Kamphaeng Phet 2 Road) - Kamphaeng Phet 2 Interchange แยกทางด่วนถนนกำแพงเพชร 2 Bang Sue Chatuchak Park, Bangkok Bus Terminal, Krung Thep Aphiwat Central Terminal (Kamphaeng Phet 2 Road) 15.40 - Bang Sue 1 (to Prachim Ratthaya) Si Rat Junction ต่างระดับศรีรัช Bang Sue 2 (from Prachim Ratthaya) Westbound - Taling Chan, Outer Ring Road (West) ( Prachim Ratthaya Expressway) 16.80 Prachanukun Intersection, Wong Sawang (Ratchadaphisek Road) - Ratchadaphisek Interchange แยกทางด่วนถนนรัชดาภิเษก Ratchadaphisek Vibhavadi Rangsit Road (Ratchadaphisek Road) - exit at Prachachuen Interchange 18.10 - Pracha Chuen (Outbound) Pracha Chuen Interchange แยกทางด่วนประชาชื่น Pracha Chuen (Inbound) Pracha Chuen (Pracha Chuen Road) A, D Pracha Chuen 2 Toll Plaza Pracha Chuen 1 Toll Plaza Nonthaburi 20.12 Nonthaburi, Khae Rai ( Ngam Wong Wan Road) Ngam Wong Wan 1 Ngam Wong Wan Interchange แยกทางด่วนถนนงามวงศ์งาน Ngam Wong Wan 2 Bang Khen, Kasetsart University ( Ngam Wong Wan Road) D 24.25 Lak Si, Pak Kret ( Chaeng Watthana Road) - Chaeng Watthana Interchange แยกทางด่วนถนนแจ้งวัฒนะ Chaeng Watthana - Chiang Rak, Bang Pa-in ( Udon Ratthaya Expressway) - Phaya Thai – Srinagarindra (Sections A and C) Location km Eastbound Facility Westbound Exit destinations (road) Toll Plaza (Entry) English Thai Toll Plaza (Entry) Exit destinations (road) Bangkok 0.00 Northbound - Ratchadaphisek, Chaeng Watthana ( Si Rat Expressway) - Phaya Thai Junction ต่างระดับพญาไท - Southbound - Silom, Bang Khlo ( Si Rat Expressway) A, B 1.27 Sanam Pao (Phahon Yothin Road) Phahon Yothin 1 Victory Monument Interchange แยกทางด่วนอนุสาวรีย์ชัยสมรภูมิ Phahon Yothin 2 Victory Monument (Phahon Yothin Road) A 2.27 Northbound - Din Daeng ( Chaloem Maha Nakhon Expressway) - Makkasan Junction ต่างระดับมักกะสัน - Southbound - Dao Khanong, Bang Na ( Chaloem Maha Nakhon Expressway) 4.45 Phra Ram 9 Intersection (Ratchadaphisek Road) - Asok-Din Daeng Interchange แยกทางด่วนถนนอโศก-ดินแดง Asok 2 - A, C 4.70 Asok 3 Toll Plaza Asok 4 Toll Plaza 5.00 Rama IX Road (Phet Uthai Road) Asok 3-1 Phet Uthai Interchange แยกทางด่วนถนนเพชรอุทัย Asok 1 - C 6.80 Phra Ram 9 Phra Ram 9 Interchange แยกทางด่วนถนนพระราม 9 - Rama IX Road (Rama IX Road) 7.75 Northbound - Lat Phrao, Ram Inthra ( Chalong Rat Expressway) Phra Ram 9-1 (to Chalong Rat) Ramkhamhaeng Junction ต่างระดับรามคำแหง Phra Ram 9-1 (from Chalong Rat) Southbound - Phatthanakan, At Narong ( Chalong Rat Expressway) Ramkhamhaeng 13.03 Bang Kapi, Bang Na (Srinagarindra Road) - Srinagarindra Junction ต่างระดับศรีนครินทร์ Srinagarindra - Lat Krabang, Suvarnabhumi Airport, Chonburi (Motorway 7)

## See also

- [Controlled-access highways in Thailand](/source/Controlled-access_highways_in_Thailand)

- [Expressway Authority of Thailand](/source/Expressway_Authority_of_Thailand)

## References

1. ^ [***a***](#cite_ref-:0_1-0) [***b***](#cite_ref-:0_1-1) ["ทางพิเศษศรีรัช"](https://www.exat.co.th/project/%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%B4%E0%B9%80%E0%B8%A8%E0%B8%A9%E0%B8%A8%E0%B8%A3%E0%B8%B5%E0%B8%A3%E0%B8%B1%E0%B8%8A/). *EXAT*.

1. **[^](#cite_ref-2)** ["รายงานสถิติปริมาณจราจร รายได้ค่าผ่านทางพิเศษ และอุบัติเหตุบนทางพิเศษ ปีงบประมาณ 2565"](https://www.exat.co.th/statistics/%E0%B8%A3%E0%B8%B2%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%AA%E0%B8%96%E0%B8%B4%E0%B8%95%E0%B8%B4%E0%B8%9B%E0%B8%A3%E0%B8%B4%E0%B8%A1%E0%B8%B2%E0%B8%93%E0%B8%88%E0%B8%A3%E0%B8%B2%E0%B8%88%E0%B8%A3-5/).

v t e Expressways and motorways in Thailand Expressway Authority of Thailand Chaloem Maha Nakhon Chalong Rat Burapha Withi Kanchanaphisek S1 Bangkok Expressway and Metro Company Si Rat Prachim Ratthaya Udon Ratthaya Don Mueang Toll Way Uttaraphimuk Department of Highways Motorway 7 Motorway 9 Motorway 6 Motorway 81

v t e Road infrastructure in Thailand Controlled-access highways Expressway Chaloem Maha Nakhon Si Rat Chalong Rat Burapha Withi Udon Ratthaya Prachim Ratthaya S1 Kanchanaphisek Motorway 5 6 7 8 9 51 52 53 54 61 62 63 64 65 71 72 81 82 83 84 85 91 Elevated tollway Uttaraphimuk Highways Northern 1 11 12 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 125 126 127 128 129 130 131 Northeastern 2 21 22 23 24 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 238 239 240 241 242 243 244 247 288 290 291 292 293 294 295 299 Central 3 31 32 33 34 35 36 37 38 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 323 324 325 326 327 329 330 331 332 333 334 335 336 338 339 340 341 343 344 344 346 347 348 349 350 351 352 354 356 357 359 360 361 362 363 364 365 366 367 368 369 370 372 375 376 377 Southern 4 41 42 43 44 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 425 Italics indicate routes under construction. Crossed out names indicate former highways.

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Adapted from the Wikipedia article [Si Rat Expressway](https://en.wikipedia.org/wiki/Si_Rat_Expressway) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Si_Rat_Expressway?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.