Peak hour traffic or any general traffic which slows you down.

When you can't get somewhere because the traffic is horrible.

Extremely bad and frustrating traffic congestion.

When you are stuck in the worst traffic ever - you're stuck in Traffuck!

Also known as rush hour traffic. Especially in DC Metro

The unfortunate position of being stuck in heavy, unmoving traffic, especially traffic that is stalled for no visible reason.

To be delayed due to a high volume of traffic.