Pak Nam BTS stationPak Nam station is a BTS Skytrain station, on the Sukhumvit Line in Samut Prakan Province, Thailand.It opened on 6 December 2018 as part of the 13 km eastern extension. Rides on the extension were free until April 16, 2019.HistoryIn official proposals, the station was initially named Samut Prakan City Hall station due to its location next to Samut Prakan Provincial Hall and the city's district office. During construction it was renamed Samut Prakan. In the end, the Royal [Society of Thailand] requested to the Mass [Rapid Transit Authority of Thailand] that the name be changed to Pak Nam to match the local subdistrict name and represent Samut Prakan's former name which was "Pak Nam".