HSL 1
The HSL/LGV 1 (Dutch: Hogesnelheidslijn 1, French: Ligne à grande vitesse 1, English: High-Speed Line 1) is a high-speed rail line which connects Brussels, Belgium, with the LGV Nord at the Belgium–France border. It is 88 km (55 mi) long with 71 km (44 mi) of dedicated high-speed tracks and 17 km (11 mi) of modernised lines.