The Department of Highways is preparing to open free travel on the M6 Motorway from Bang Pa-in to Korat every Friday to Sunday starting 21 Aug 2026. Outbound traffic can travel the full route, while inbound traffic must switch to regular highways. Check routes and entry/exit points here for details.
A reporter from the Department of Highways reported that on Friday, 21 Aug 2026, Mr. Pipat Ratchakitprakarn, Minister of Transport, along with Mr. Siripong Angkasagulkiat, Deputy Minister of Transport, will preside over the flag-off ceremony for the M6 Motorway Bang Pa-in–Korat, spanning 196 km, at the Bang Pa-in toll plaza. The public can use the motorway free of charge on Fridays, Saturdays, and Sundays until the end of 2026.
Travelers departing from Bangkok by car can enter the M6 Motorway at the Bang Pa-in toll plaza and travel straight to Korat without needing to use Mittraphap Road. For the return trip to Bangkok, travelers can enter the motorway at Korat toll plaza, exit at Pak Chong toll plaza, continue on the regular Mittraphap Road, then re-enter the motorway at Muak Lek toll plaza, travel straight to Bang Pa-in toll plaza, and finally enter Bangkok via Phahonyothin Road. Full continuous travel from Korat to Bangkok on the motorway is expected by early 2027.
Regarding system progress on the M6 Motorway Bang Pa-in–Nakhon Ratchasima, overall system work is 90.58% complete, including road construction, control center and office buildings, government agency buildings, operations and maintenance facilities, and safety installations. Road and building work is 99.94% complete at the nine toll plazas:
The nine toll plazas are Bang Pa-in, Wang Noi, Hin Kong, Saraburi, Kaeng Khoi, Muak Lek, Pak Chong, Sikhio, and Kham Thale So. The electrical supply system along the route is 93% complete, intelligent traffic management systems are 98% complete, and the fiber optic communication network is 89.10% complete.
The toll collection system for cash and M-Flow is 84.97% complete. Installation of safety equipment along the route, including high-mast lighting poles, is 96% complete. The construction of the U-turn bridge near Saraburi toll plaza is scheduled for completion by the end of 2026. Overall construction plans include a trial service with two-way traffic and toll collection starting in 2027.
Mr. Piyapong Jiwattanakulpaisan, Director-General of the Department of Highways (DOH). He said that on Friday, 21 Aug, Mr. Pipat Ratchakitprakarn, Minister of Transport, will preside over the opening ceremony of the M6 Motorway at Bang Pa-in toll plaza, allowing the public to travel free from Bang Pa-in to Korat along the full route. Free travel will be offered only on Fridays, Saturdays, and Sundays until the end of 2026. For the return trip from Korat, free travel will also be available on Fridays, Saturdays, and Sundays, but not for the full route. Travelers will enter the motorway at Korat, exit at Pak Chong toll plaza to use the regular Mittraphap Road, then re-enter at Muak Lek toll plaza to return to Bang Pa-in and enter Bangkok.
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