A tollway transport service for the section of Din Daeng District - Anusornsathan as a choice between Vibhavadi Rangsit Road (at grade road) and toll road for the people to travel along Bangkok Metropolis and its northern vicinity area and as the main road heading for the Upper Central Region, Northern Region, and Northeastern Region, with a total distance of 21.9 km.
Main Performance :
As the Review and Design Check Consultant for the main section from Din Daeng to Lak Si
As the Independent Engineer for the first extension from Lak Si to the Royal Thai Air Force Base at Don Muang
As the Turn Key Design Consultant for the second extension from the Royal Thai Air Force Base to Rangsit.