traffic jam
US /ˈtræf.ɪk ˌdʒæm/
UK /ˈtræf.ɪk ˌdʒæm/

1.
engarrafamento, congestionamento
a long line of vehicles on a road that cannot move or can only move very slowly
:
•
I was stuck in a huge traffic jam for an hour.
Fiquei preso em um enorme engarrafamento por uma hora.
•
The accident caused a massive traffic jam on the highway.
O acidente causou um enorme engarrafamento na rodovia.