Examples:

• There was a traffic jam with police cars and everything.
• No danger of a traffic jam on the high road.
• The traffic jam caused me to be late for the meeting.
• There is a major traffic jam on the freeway.
• Because this is what we call a traffic jam.
• He tells me he was caught in a traffic jam.
• The bus was late because of the traffic jam.
• We met a traffic jam on the way.
• The traffic jam is awful in Tokyo, as you know.
• There are folks who'd cross the Sahara to avoid a traffic jam.