The Department of Highways is preparing to open a trial use. M6 Motorway. Or. Highway No. 6. The Bang Pa-in to Nakhon Ratchasima (Korat) route. Covering a total distance of 196 kilometers, it will allow the public to travel free to the Northeast during Songkran 2026, aiming to ease heavy traffic congestion during this long holiday.
Thairath Online. Summarizing the information for you. M6 Motorway, Bang Pa-in to Nakhon Ratchasima. When will the free trial start? Where are the entry points? Check both inbound and outbound routes from Bangkok to plan your trip more easily.
The Department of Highways is preparing to open the M6 Motorway, covering the entire route from Bang Pa-in through Pak Chong to Nakhon Ratchasima, totaling 196 kilometers, for a free trial period from 10 to 19 April 2026 (10 days). This aims to accommodate travel demand, reduce congestion on Mittraphap and Phahonyothin Roads, and enhance convenience for travel to the Northeast during Songkran 2026.
Where is the M6 Motorway Bang Pa-in to Nakhon Ratchasima located? The Department of Highways recommends three options for driving from Bangkok to enter the M6 Motorway to Nakhon Ratchasima, following signs marked "Route 6" along the way:"Route 6"as follows.
1. At Bang Pa-in tollgate from Kanchanaphisek Road (Eastern Ring Road).
2. From Kanchanaphisek Road (Western Ring Road).
3. From Phahonyothin Road outbound (in front of Mahachulalongkornrajavidyalaya University).
During Songkran 2026 holidays, the Department of Highways will allow free trial use of the M6 Motorway Bang Pa-in to Nakhon Ratchasima. Check the inbound and outbound routes from Bangkok as detailed below."M6 Motorway"Bangkok inbound and outbound route details.
Free trial opening dates: From 00:01 on 10 April 2026 to 24:00 on 13 April 2026.
Entry and exit points on the M6 Motorway: : Bang Pa-in tollgate, Hin Kong tollgate, Saraburi tollgate, Kaeng Khoi tollgate, and Pak Chong tollgate. Additionally, the Department of Highways will open the Muak Lek tollgate for the first time to help divert traffic to Mittraphap Road (Highway 2) and offer travelers another option.
Free trial opening dates: From 06:00 on 14 April 2026 to 24:00 on 19 April 2026.
Entry and exit points on the M6 Motorway: : Pak Chong tollgate, Kaeng Khoi tollgate, Saraburi tollgate, Hin Kong tollgate, or exit at Bang Pa-in tollgate. to connect to Phahonyothin Road and both eastern and western Kanchanaphisek Ring Roads.
There will be a temporary closure from Bang Pa-in interchange to Pak Chong tollgate on Tuesday, 14 April 2026 from 00:00 to 06:00 to switch traffic direction and prepare for inbound traffic.
Since this is a trial service period, only 4-wheel vehicles are allowed. Speed is limited to no more than 80 km/h. There are no fuel stations, electric vehicle charging points, or retail services along the route.
The Department of Highways recommends that travelers study the route and prepare fully before departure: fill up fuel, bring food and water before entering the motorway. For more information, call the Department of Highways hotline 1586, free 24 hours.
Source of information:Expressway and Intercity Highway Division,,Department of Highways Facebook page