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
Names of Istanbul "Constantinople" instead of "Istanbul" were no longer delivered by Turkey's PTT, which contributed to the eventual worldwide adoption of the new name. In English the name is usually written "Istanbul". In modern Turkish the name is written "İstanbul" (dotted i/İ and dotless ı/I being two distinct letters in the Turkish alphabet). "Stamboul" or "Stambul" is a variant form of "İstanbul." Greek for 'the town'. Like "Istanbul" itself, forms without the initial "i-" are attested from early on in the Middle Ages, first in Arabic sources of the 10th century and Armenian ones of the 12th. Some early sources also attest