Some say that employed foreigners such as Edmund Morel insisted to adopt narrow gauge in order to construct the railway quickly in consideration of the budget and transportation demand and that he was persuaded by them.
エドモンド・モレルなどお雇い外国人が予算や輸送需要を考えれば、狭軌を採用して鉄道を早期に建設すべきと主張して、それら外国人の説得に押されてしまったことに拠るという説もある。