Metrorail is a rapid transit system that provides efficient public transportation in urban areas. It typically consists of electric trains that run on dedicated tracks, connecting various neighborhoods, business districts, and key landmarks. Metrorail systems are designed to reduce traffic congestion and promote environmentally friendly travel options. Many cities around the world have their own versions of Metrorail, often featuring multiple lines and stations. Passengers can purchase tickets or use smart cards for easy access. The system is popular for its reliability, speed, and ability to transport large numbers of people quickly, making it a vital part of urban infrastructure.