The ceremony to start the motorway construction was held at Kilometre marker 99 of Phahonyothin highway in Nong Khae district of Saraburi province, and presided over by Gen Prayut.
The 196 kilometres long motorway or officially called Highway 6 is part of the 535 kilometres long motorway that the government will build from Bangkok to Nong Khai from where it will connect with its ASEAN neighbours.
Construction of this first section will start from the the Bang Pa-in interchange in Ayutthaya province where the current Highway 9 (or Bang Phlee-Bang Pa-in motorway) meets with Highway 1 (Phahonyothin).
Highway 6 will be built parallel to Phahonyothin highway and Highway 2 (Friendship Highway), passing Saraburi province and ending at Kilometre 2 on the Nakhon Ratchasima bypass road.
Construction spending of this 196 kilometres long section is set at 84.6 billion baht, comprising of 77.9 billion baht for construction cost, and 6.6 billion baht land expropriation cost.
This motorway will comprise two sections. The first section covering 103 kilometres will be built as a six-lane traffic motorway from Bang Pa-in to Pak Chong, and the rest 93 kilometres from Pak Chong to Nakhon Ratchasima will be a four-lane traffic motorway.
There will be nine toll gates on this 196 kilometre motorway at Bang Pa-in, Wang Noi, Hin Kong, Saraburi, Kaeng Khoi, Muak Lek, Pak Chong, Si Khieu, and Nakhon Ratchasima.
There are also five rest areas, two service areas, and one service centre on this motorway.
The motorway is among 20 urgent mega infrastructure projects of the government to stimulate economy and investment from 2015-2022.
It is scheduled to be complete and open to service in 2020.