zatłoczenie in English:

Traffic congestion is always the heaviest during rush hours.

Traffic congestion contributes to air pollution.

It’s still remarkably easy to escape the congestion.

There's a lot of congestion on the motorway today.

if there is congestion, a place is too crowded with people or vehicles

There’s a lot of traffic congestion, especially at rush hour.

‘Road congestion always gets better in the summer when a lot of car drivers are on holiday.’

He had a nose congestion.

We were delayed by traffic congestion, so we had to hurry.

Our delay was due to traffic congestion.

In spite of the terrible congestion, I was in time for the appointment.