Thailand is expanding the railway line in Thailand. Today State Railway of Thailand. Successfully digging the longest railway tunnel in Thailand. At Ban Hin Lap, Muak Lek District, Saraburi Province, which is part of the Northeastern Railway Construction Project Map Kabao – Chira Road Junction The total length of the tunnel is 5.2 kilometers, or the distance in the tunnel, both up and down, totaling more than 10.4 kilometers. -Jira Road Junction, with a total distance of 132 kilometers, is considered an important railway line in Thailand.
The project is to expand the railway line from single track to double track. which when the project is successful Traveling by train in Thailand will take longer to travel faster.