There are nine services each day between Rayong and Mukdahan, with departures throughout the day from 06.00. The journey usually lasts around 16 hours and fares costs THB720. From Mukdahan there are also nine trips each day to Rayong between 06.15 and 17.45, with tickets available for the same price.
The same buses on their way both from Rayong and from Mukdahan call en-route to Pattaya. Heading from Mukdahan to Pattaya there are eleven services per day from 06.45 with tickets available from THB670. The trip takes approximately 14 hours and there are five daily departures from Pattaya to Mukdahan throughout the day from 08.00.
Five of these buses also call to Chonburi each day with departures from 06.45 until 21.15 (from Chonburi). Tickets for this 13-hour trip are priced at THB640 in either direction. Travellers looking to visit Rayong from Chonburi have the option of two departures each day at 06.25 and 19.40, arriving at 09.40 and 22.55 respectively. Tickets are available for THB185 for this three hour journey.