Here is the EIA for the Purple line extension to Kru nai via Rattanakosin Island which MRTA has made to the public:
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There will be 17 stations including 10 underground stations and 7 elevated station
-- Underground section -- 12.7 km
1. National Assembly - Central type like Chatuchak park subway station - 442 meter long - 4 gates -
Gate No. 1 at the Engineering Section of 2nd Calvary Division
Gate No. 2 at the 4th Calvary Battalion
Gate No. 3 in front of National Assembly,
Gate No. 4 inside National Assembly
2. Sri Yan - Stack type like Silom subway station - 278 meter long - 4 gates -
Gate No. 1 between K-Bank and Esso gas station
Gate No. 2 old Gas station
Gate No. 3 MEA Samsen office
Gate No. 4 Royal Irrigation Dept.
3. Vajira Hospital - Stack type like Silom subway station - 284 meter long - 4 gates -
Gate No. 1 Thai Journalist Association
Gate No. 2 Cabinet and Royal Gazette Press
Gate No. 3 Crown Property Bureau
Gate No. 4 Garden in front of Vajira Hospital
4. National Library - Side type like Bangsue subway station - 305 meter long - 4 gates -
Gate No. 1 Suan Kularb Alumni
Gate No. 2 Samsen Soi 12 near Council of state
Gate No. 3 Crown Property Bureau land near Rajamangla Institute of Bangkok
Gate No. 4 Garden in front of National library
5. Bangkhunphrom - Stack type like Silom subway station - 232 meter long - 4 gates -
Gate No. 1 Wat Iam Woranut
Gate No. 2 PTT gas station opposition to Wat Sam Phraya
Gate No. 3 Sri Hong press
Gate No. 4 Bank of Thailand
6. Phan Fah (Connecting with Orange Line MRT) - Stack type like Silom subway station - 260 meter long - 4 gates -
Gate No. 1 private land near Dialogue Coffee and Gallery
Gate No. 2 Parking lot of Bangkok Bank - Phan fah bridge branch
Gate No. 3 near Thewet Insurance - the connection with Gate No. 1 of Democracy Monument subway station of Orange line MRT - 50 meters long without going out of the station
Gate No. 4 private land near Ban Phan Fah Apartment
7. Samyod (Connecting with Blue ring) - Central type like Chatuchak park subway station - 340 meter long - 4 gates -
Gate No. 1 Crown Properties Bureau land on Luang road near United Spare Parts Co., Ltd. (1968)
Gate No. 2 Crown Properties Bureau land near Mirama Hotel and Min Sen Machinery Co.,Ltd.
Gate No. 3 Crown Properties Bureau land near Samyod Plaza - connecting with Blue ring here without going out of the station - 150 meters long
Gate No. 4 Rommaneenart Park
8. Memorial Bridge (Connecting with Gold line AGT) - Central type like Chatuchak park subway station - 259 meter long - 4 gates -
Gate No. 1 Commercial row near Wat Phichai Yatikaram and Wongwian Lek intersection - connecting with Gold line AGT - footpath with covers - 300 meter long
Gate No. 2 Commercial row not far from Midnight A Cocoa bakery and Ban Khaek intersection
Gate No. 3 Commercial row near Fixgabike and Ban Khaek intersection
Gate No. 4 Commercial row not far from Suksa Naree school and Wongwian Lek intersection
9. Wongwian Yai (Connecting with Mahachai line railway which will become a part of red line commuter networks and BTS skytrain) - Central type like Chatuchak park subway station - 360 meter long - 4 gates -
Gate No. 1 Wongwian Yai Market
Gate No. 2 commercial row at Soi Taksin 5 - near Bang Saikai canal - connecting with BTS Skytrain station - need 270 meter long footpath
Gate No. 3 commercial row near Bang Saikai canal
Gate No. 4 commercial row near Soi Inthraphithak - connection with Wongwian Yai railway station - 120 meters long but need permission from both BMA and SRT
10.Samreh - Central type like Chatuchak park subway station - 325 meter long - 4 gates -
Gate No. 1 Samreh Market and Taksin Soi 19
Gate No. 2 Ban Suan Sukjit
Gate No. 3 Somdej Phra Pinklao Naval Hospital
Gate No. 4 Commercial row opposite to Samreh market near Krua Tone Sai restaurant
— Elevated section — 10 km
11. Dao Khanong - Side type like Asok skytrain station near Taksin 46 and Chomthong road - 2 gates
Gate No. 1 Bumrung Medical not far from Dao Khanong market
Gate No. 2 Between bang Sakae canal and Taksin Soi 44
12. Bang Pa Kaew - Side type like Asok skytrain station - 4 gates -
Gate No. 1 Soi Suksawat 5 near Computer Label Worldwide Co. Ltd.
Gate No. 2 Soi Suksawat 7
Gate No. 3 Soi Suksawat 14
Gate No. 4 Soi Suksawat 12 near the defunct Siri Aksorn Thonburi school
13. Bang Pakok (Park and ride) - Side type like Asok skytrain station - 2 gates
Gate No. 1 Between Soi Suksawat 23 and Soi Suksawat 25 not far from Bang Pakok hospital
Gate No. 2 Between Soi Suksawat 32 and Siam Commercial Bank
14. Rama 9 Bridge (Likely to become Yaek Pracha Uthit station) - Side type like Asok skytrain station - 4 gates -
Gate No. 1 Soi Suksawat 29
Gate No. 2 Soi Suksawat 31
Gate No. 3 Bangkok Bank near Soi Suksawat 46
Gate No. 4 Soi Suksawat 44
15. Ratrboorana (Park and ride) - Side type like Asok skytrain station - 2 gates
Gate No. 1 Park and ride near Suksawat Factory and Chaeng ron canal
Gate No. 2 vacant space near TH Intertrade Co.Ltd. and Chaeng ron canal
16. Phra Padaeng - Side type like Asok skytrain station - 4 gates -
Gate No. 1 Near Nakhon Khueankhan intersection
Gate No. 2 Krungthai Bank - Phra Padaeng Branch
Gate No. 3 Factory of Lucky Tech (Thailand) Co. Ltd.
Gate No. 4 Phra Pradaeng Arcade
17. Krunai (Maintenance center near Phra Padaeng interchange of Kanchanaphisek ring road) - Side type like Asok skytrain station
- 4 gates -
Gate No. 1 Air Chemical Thai Industry Co.Ltd. near Anan Service Co.Ltd.
Gate No. 2 Pornthep Shock Absorbor near Suksawat Soi 45
Gate No. 3 Soi Suksawat 70
Gate No. 4 Susco gas station near Jek Thim canal