>>53879The rail companies were all tied to the sugar plantations via some common parent company, and when the sugar industry died out, the rail companies went with them. Sugarcane to the Territory of Hawaii was what tourism is to the State of Hawaii.
Also /n/oteworthy is that before WWII, Honolulu had a fairly extensive streetcar system run by the Honolulu Rapid Transit company. Unfortunately, the advent of buses led to HRT closing up their streetcar operations and tearing out all the track; they replaced streetcars with trolleybuses on a couple of the more popular lines, but those were gone by the time statehood rolled around, and HRT went full-bus. (HRT itself folded in 1971, which led to the creation of TheBus.)