This 82.7 km commuter rail line is under construction in South Korea. It comprises 14 stations and 180 km/h design speed. The line uses 25 kV AC 60 Hz electrification, ERTMS Level 2 signalling and 143 News
GTX-B Songdo–Madoul (Greater Seoul) is a commuter rail project in South Korea, currently under construction.
This 82.7 km commuter rail line is under construction in South Korea. It comprises 14 stations and 180 km/h design speed. The line uses 25 kV AC 60 Hz electrification, ERTMS Level 2 signalling and 1435 mm standard gauge. Ministry of Land, Infrastructure and Transport (MOLIT) are delivering the project, with Daewoo E&C (PPP lead) as main contractor. Under construction since 2024, the line is scheduled to open in 2030, with an investment of USD 4.5 bn.
Construction began in 2024, with completion expected in 2030.