National Company of Light Railways

The National Company of Light Railways (Dutch: Nationale Maatschappij Van Buurtspoorwegen, abbreviated as NMVB; French: Société Nationale des Chemins de fer Vicinaux, abbreviated as SNCV) was a state-owned transportation provider which comprised a system of narrow-gauge tramways or local railways in Belgium, which covered the whole country, including the countryside, and had a greater route length than the mainline railway system. They were 1,000 mm (3 ft 3+3⁄8 in) metre gauge and included electrified city lines and rural lines using steam locomotives and diesel railcars; half the system was electrified.

Source: Wikipedia — National Company of Light Railways (CC BY-SA 4.0)