31, Viphavadi - Rangsit Road, Din Daeng - Don Mueang Section.

The Company designed and built the tollway with its own funds, and was awarded the concession to manage the tollway, including toll collection, traffic management, and rescue work, while the owner of the property is the Department of Highways.

[2] Private sector operations differ from those of state enterprises or government agencies in transport project investment.

The government has mechanisms to finance transport projects without financial costs, generally by setting budgets acquired from tax collection or, if necessary, from other financial sources, with special arrangements on interest rates and loan repayment periods.

[3][4] As a private sector firm, the Company operates projects during a concession period.