A grade-separated crossing was required due to its location in a built-up area; moreover, it was rumored that the authorities would not approve a grade crossing with the approach to the Momoyama Goryo Mausoleum, and it was said that the proposal for underground facilities was rejected by the Fushimi sake brewers on the grounds that it would block the underground water vein.
市街地であるため立体交差が要求され（桃山御陵参道との平面交差を当局が許可しなかったとの説もある）、地下線案は地下水脈を断つとして伏見の酒蔵から拒否されたためと伝わる。