May 2024 Contract 3-1 Kaeng Khoi – Klang Dong Section and Pang Asok – Bandai Ma Section
Progress as of 25 May 2024: 0.43%
The Cooperation between the Government of the Kingdom of Thailand and the Government of the People's Republic of China on Bangkok–Nong Khai HSR Development for Regional Connectivity (Section 1: Bangkok–Nakhon Ratchasima)