Complex sentence: Nowadays, the line serves nine stations and handles about 300,000 passengers every weekday, operating from 5:30 AM to midnight with over 500 trains; it is often cited as the busiest and most profitable monorail line in the world.
Split into simpler sentences: Nowadays, the line serves nine stations and handles about 300,000 passengers every weekday, operating from 5:30 AM to midnight with over 500 trains. It is often cited as the busiest and most profitable monorail line in the world.