Choke point and Tie-up

Tie-up and choke point are semantically related. In some cases you can use "Tie-up" instead a noun phrase "Choke point".

Tie-up noun - A crowded mass (as of cars) that impedes or blocks movement.

Choke point and tie-up are semantically related. Sometimes you can use "Choke point" instead a noun phrase "Tie-up".