Congestion (noun)

The state of being congested, especially with blood or traffic.

Origin:

From latin congestus "heaped up, crowded together".

Examples:

1. The traffic congestion on the highway was causing delays.
2. The congestion in the lungs caused difficulty in breathing.
3. The nasal congestion made it hard to breathe through the nose.
4. The city had a severe congestion problem during rush hour.
5. The congestion in the port was causing delays in shipping.