Opened 1996, currently 6 main lines and 100-plus stations. 捷运 (jiéyùn, literally 'rapid transit') is the standard Taiwanese term for an MRT system; the mainland equivalent is 地铁 (dìtiě, 'subway').
usage
Locals shorten it to 北捷 (Běijié) in headlines and casual speech, especially for service announcements.