In Japan, many big projects have been carried out until now. Especially, Tokaido Shinkansen has had various effects such as economy promotion effects and development effects on the regional economy. However it is impossible to measure all the effects. Therefore, by constructing two stages Nested Logit model which consists of mode choice and destination choice, and converting the increment of the utility got from the model into the money, this study measures and examines the benefit in 1995 in time saving which is the largest effect caused by the Tokaido Shinkansen opening.