Meaning of the word "heavy traffic" in English

What does "heavy traffic" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

heavy traffic

US /ˈhɛv.i ˈtræf.ɪk/
UK /ˈhɛv.i ˈtræf.ɪk/
"heavy traffic" picture

Collocation

a large number of vehicles on a road, causing slow movement or delays

Example:
We were stuck in heavy traffic for two hours on the way to the airport.
Expect heavy traffic during rush hour.