Blue Line in the works :: Workers look out from a skytrain support structure between Charan Sanitwong Soi 83 and 85 yesterday. The 13km long Bang Sue-Tha Phra Blue Line is expected to be completed on June 5, 2016, with the electric train service coming on line in early 2017. Published caption A file photo shows workers look out from a skytrain support structure between Charan Sanitwong Sois 83 and 85. The 13-km Bang Sue-Tha Phra Blue Line is expected to be completed June 5, 2016, but the Orange and Pink lines may be delayed. SITHIKORN WONGWUDTHIANUN