A new international train service connecting Bangkok and Vientiane will begin on July 19, the State Railway of Thailand (SRT) announced on July 3. The State Railway of Thailand has announced the start of an international train service connecting Bangkok and Vientiane, in Laos, on July 19. Bangkok (VNA) – A new international train service connecting Bangkok and Vientiane will begin on July 19, the State Railway of Thailand (SRT) announced on July 3. They can also board the high-speed Laos-China railway at Vientiane Railway Station to travel to other provinces in Laos or to China. A trial service between Udon Thani, Nong Khai, Thanalaeng and Vientiane stations was completed on May 21 without any problems./.