一、平交道口的安全措施 日本在第二次世界大战后由于汽车的急速发展,造成了公路运量大大增加,同时日本国营铁路的行车密度和行车速度也大大提高,致使道口事故显著增加。长期以来,国营铁路采取一系列防止道口事故的措施,另一方面,政 I. Safety Measures at Level Crossing Due to the rapid development of automobiles after Japan’s Second World War, the road traffic volume greatly increased. At the same time, the driving density and driving speed of the Japanese state-owned railways also increased greatly, resulting in a significant increase in crossings. For a long time, the state-owned railway has adopted a series of measures to prevent crossing accidents. On the other hand,