Public transport in Istanbul the funicular was opened to the public. It is still in service. A commuter rail line was built on the European side of the city from Sirkeci to Hadımköy in 1872, which was followed in 1873 on the Anatolian part from Haydarpaşa Terminal to İzmit. The ferry is one of the oldest means of transit in İstanbul, a city with two parts separated by the Bosphorus strait and surrounded by sea. In 1837, British and Russian owned boats started transport on the Bosphorus. The İstanbul Maritime Company was established in 1851 by a decree of Ottoman Sultan Abdülmecid I. The
Korea Strait Korea Strait into the western channel and the Tsushima Strait. The western channel is deeper (up to 227 meters) and narrower than the Tsushima Strait. A branch of the Kuroshio Current passes through the strait. Its warm branch is sometimes called the Tsushima Current. Originating along the Japanese islands this current passes through the Sea of Japan then divides along either shore of Sakhalin Island, eventually flowing into the northern Pacific Ocean via the strait north of Hokkaidō and into the Sea of Okhotsk north of Sakhalin Island near Vladivostok. The water-mass characteristics vary widely because of the low-salinity waters