This signalling upgrade covers 449 km of track in Saudi Arabia, deploying ERTMS Level 2. The line uses diesel traction, ERTMS Level 2 signalling and 1435 mm standard gauge. Saudi Arabia Railways (SAR) Haramain High Speed Railway (Makkah–Madinah) · News
Riyadh–Dammam Line ETCS L2 Upgrade & Stadler DMU Fleet is a commuter rail project in Saudi Arabia, currently under construction.
This signalling upgrade covers 449 km of track in Saudi Arabia, deploying ERTMS Level 2. The line uses diesel traction, ERTMS Level 2 signalling and 1435 mm standard gauge. Saudi Arabia Railways (SAR) is delivering the project, with Stadler Rail and CAF (ETCS L2 Auriga on-board units) as main contractors. Construction has been under way since 2024, with an investment of USD 688 m.
Construction began in 2024.
The project has an estimated investment of $688M.