Project Details


A system with comprehensive access control, the Bang Pa-In – Nakhon Ratchasima Intercity Motorway alignment (M6) is approximately 196-km. long. The route alignment starts where it connects with the northern segment of the existing Outer Ring Road (or Kanchanaphisek Road) at Bang Pa-In District of Ayutthaya Province, and ends at the approach to the western Nakhon Ratchasima bypass in Muang District, Nakhon Ratchasima Province.

·      The beginning of the project is where it meets with the Bangkok Outer Ring Road (M9 or Kanchanaphisek Road) and Highway No. 1, at Bang Pa-In Interchange, Ayutthaya Province.

·      The project ends at the approach to the western Nakhon Ratchasima bypass, Nakhon Ratchasima Province, passing 3 provinces and 12 districts.

There are ten (10) interchanges linking the M6 with major highways, plus 9 toll plazas and 8 rest areas. Designators and locations of these facilities are listed below:

·      10 Interchanges:

(1)    Bang Pa-In 1 Interchange

(2)    Bang Pa-In 2 Interchange

(3)    Wang Noi Interchange  

(4)    Hin Kong Interchange

(5)    Saraburi Interchange

(6)    Kaeng Khoi Interchange

(7)    Muak Lek Interchange

(8)    Pak Chong Interchange

(9)    Si Khiu Interchange

(10)  Nakhon Ratchasima Interchange

·      9 Toll Plazas:

1)   Bang Pa-In

2)   Wang Noi

3)   Hin Kong

4)   Saraburi

5)   Kaeng Khoi

6)   Muak Lek

7)   Pak Chong

8)   Si Khiu

9)   Kham Thale So

·      Eight rest areas with related facilities for motorway users are also provided. They are classified into 3 types as follows:

1) Service Center x 1

    - Pak Chong

2) Service Area x 2

    - Saraburi

    - Si Khiu

3) Rest Stop x 5

    - Wang Noi                              

    - Nong Khae

    - Thap Kwang

    - Lam Takhong

    - Kham Thale So


Moreover, all sub-systems have also been integrated by the Traffic Operation Center in Pak Chong Central Control Building (CCB), to allow for the entire system to be effectively controlled and managed.  These include Traffic Control Center, Traffic Weight Control Center, main server rooms for Traffic Management and Toll Collection Systems, Mechanical and Electrical Rooms, Call Center, etc.


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