Frankfurt Airport is among the world's busiest. Its railway station stands as one of the ten most busiest railway junctions in India. Colombo Harbour is the largest and one of the busiest ports in Sri Lanka. The busiest by passenger volume is Charleston International Airport. Both routes are among some of the busiest roads on the island. This is Ecuador's third busiest airport. It is the busiest airport in Mindanao and the third-busiest in the country. Liverpool's local rail network is one of the busiest and most extensive in the country. The river is one of the world's busiest waterways. Germantown is bisected by Interstate 270, one of Maryland's busiest highways. The M25 is one of Europe's busiest motorways. It is one of Worcestershire's busiest roads. Michigan's tourism website ranks among the busiest in the nation. Newcastle station is one of the busiest stations in Britain. Each station has at least one booth, typically located at the busiest entrance.