Drivers are ready to roll the bus from Bangkok to Phnom Penh officially launched on Thursday. (Photo by Pornprom Satrabhaya)
The two countries are now running a daily service between the two destinations.
The bus to Phnom Penh leaves the Thai capital at 8.15am and the return trip is at 7am. The fare is 900 baht, or US$30. The 719 kilometre trip takes 11 hours.
The Siem Reap line departs Bangkok at 9am and the return service leaves the Cambodian town at 8am. Siem Reap is the home of two major tourist attractions, Angkor Wat and Angkor Thom. The fare is 750 baht, or US$25, for the 424km trip, which takes seven hours.
The two routes enter Cambodia through Aranyaprathet district in Sa Kaeo.
Transport Co also runs a service to Vientiane, the Lao capital, and Pak Se in southern Laos.
A foreign tourist buys a ticket for the first bus to Phnom Penh, which leaves Bangkok on Thursday. (Photo by Pornprom Satrabhaya)