Preliminary study of the possibility of flyovers On Nut Road to Chalongkrung Road project is not suitable for investment. Since the B / C is less than one, however. The value of the project is not dependent on the B / C only. There are also other elements such as NPV and IRR, which calculated the net present value (NPV) of creating Flyover has a value of + show that the investment in the construction of Flyover investment profitable is 6,528,289 baht when open from 8 years old. The calculations showed that the construction of Flyover has the IRR = 3.843461241% a% return over financial cost. Show that this investment is an investment profitable when released from eight years
(financial costs are equal to the average annual inflation at 2.5%)