However, he cautioned that the government should prioritise the projects to avoid causing burden on the fiscal position. For example, the double-track rail should be invested to first reach major cities. He also urged for transparency in the implementation as well as government's focus on fiscal disciplines.
He refrained from commenting on the Opposition's move to seek the Constitutional Court's review on the borrowing bill.
"A further delay will affect spending and GDP," he said.
Last night, the Senate approved the borrowing bill.
Economists from many houses said that the investment, which should inject about Bt300 billion into the economy per annum, would be a key economic engine next year.
The investment was originally planned to be kicked off this year.