Islamabad Capital Territory Headquarters of all major telecommunication operators such as PTCL, Mobilink, Telenor, Ufone, and China Mobile are located in Islamabad. The Rawalpindi-Islamabad Metrobus is a bus rapid transit system that serves the twin cities of Rawalpindi and Islamabad in Pakistan. It uses dedicated bus lanes for all of its route covering 24 bus stations. Islamabad is well connected with other parts of the country through car rental services such as Alvi Transport Network and Pakistan Car Rentals. All major cities and towns are accessible through regular trains and bus services running mostly from the neighbouring city of Rawalpindi. Lahore and Peshawar
Islamabad is home to twenty universities, including the Quaid-e-Azam University, PIEAS, COMSATS Institute of Information Technology and NUST. The city is one of the safest in Pakistan, and has an expansive surveillance system with 1,900 CCTV cameras. The name of the city, "Islamabad", is derived from two words, "Islam" and "abad", meaning "City of Islam". "Islam" is an Arabic word which refers to the religion of Islam and "-abad" is a Persian suffix indicating an "inhabited place" or "city". Islamabad Capital Territory, located on the Pothohar Plateau of the Punjab region, is considered one of the earliest sites of human settlement