'It's a busy waterway,' she commented, falling into step beside him.
In the second half of the 20th century, this inlet became an increasingly busy waterway.
The Rhine is one of the busiest waterway in the world.
We can still find the canal running across the center of the town which was once busiest waterway.
It was a busy, prosperous waterway until the railways took away the trade.
"This is one of the busiest waterways in New York State," he said.
The channel needs constant dredging to allow use of the busy waterway.
It is one of the busiest waterways on Long Island.
However, even it has disadvantages for the environment, and busy waterways regularly show evidence of pollution from ships.
The river is one of the world's busiest waterways.