Map of the N.M.V.B./S.N.C.V. in and around Hasselt (province Limburg) in 1940 (non-electrified lines; green and yellow when out of the province) and 1954 (electrified lines; pink and orange when out of the province. Black = N.M.B.S./S.N.C.B. (railway). Remark: most of the electrified tramlines belonged to the Liège group (orange on the map).

https://nl.wikipedia.org/wiki/Buurtspoor...Limburg