Currently, the Thai-Chinese high-speed railway system (Phase 1: Bangkok–Nakhon Ratchasima Section) is under construction. Of the total 14 civil work contracts, construction is ongoing under 10 contracts and is being prepared for the remaining four contracts. With respect to the railway system and procurement of rolling stocks which are under one contract, work is in the designing process.

Contract 1-1
Klang Dong–Pang Asok Section

100% completed

Contract 2-1
Sikhio–Kut Chik Section

100% completed

Contract 3-1 Kaeng Khoi – Klang Dong Section and Pang Asok–Bandai Ma Section

0.63%

Contract 3-2
Railway tunnels at Muak Lek and Lam Takhong

77.09%

Contract 3-3
Bandai Ma–Lam Takhong Section

53.76%

Contract 3-4
Lam Takhong–Sikhio Section and Kut Chik–Khuak Kruat Section

79.03%

Contract 3-5
Khok Kruat – Nakhon Ratchasima Section

10.35%

Contract 4-1
Bang Sue–Don Mueang Section

Contract 4-2
Don Mueang–Navanakorn Section

0.79%

Contract 4-3
Navanakorn – Ban Pho Section

39.73%

Contract 4-4
Chiang Rak Noi Depot

18.56%

Contract 4-5
Ban Pho – Phra Kaeo Section

Contract 4-6
Phra Kaeo – Saraburi Section

6.43%

Contract 4-7
Saraburi – Kaeng Khoi Section

57.70%

Railway system, mechanical and electrical systems, and procurement of rolling stocks
Fall under one contract.
Contract 2-3: Railway System, Mechanical and Electrical Systems, Procurement of Rolling Stocks, and Personnel Training

Contract 2-3 Railway System, Mechanical and Electrical Systems, Procurement of Rolling Stocks, and Personnel Training