Mecca kilometer elevated metro transports pilgrims to holy sites Mount Arafat, Muzdalifah and Mina in the city during hajj reducing the congestion on the roads. Mecca Metro, officially known as Makkah Mass Rail Transit, is a planned four-line metro system for the city. This will be in addition to the Al Mashaaer Al Mugaddassah Metro which carries pilgrims during Hajj. A high speed inter-city rail line (Haramain High Speed Rail Project also known as the "Western Railway"), is under construction in Saudi Arabia. It will link along 444 kilometres (276 mi), the Muslim holy cities of Medina and Mecca via King
Mecca (, Kaaba). This form is used for the name Mecca in the Quran in 3:96, while the form Mecca is used in 48:24. In South Arabic, the language in use in the southern portion of the Arabian Peninsula at the time of Muhammad, the "b" and "m" were interchangeable. Other references to Mecca in the Quran (6:92, 42:5) call it "Umm al-Qurā" (), meaning "Mother of All Settlements"/"mother of villages". Another name of Mecca is "Ṫihāmah" (). Another name for Mecca, or the wilderness and mountains surrounding it, according to Arab and Islamic tradition, is Faran or Pharan, referring to