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

1.
ingorgo stradale, coda
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.
Sono rimasto bloccato in un enorme ingorgo stradale per un'ora.
•
The accident caused a massive traffic jam on the highway.
L'incidente ha causato un enorme ingorgo stradale sull'autostrada.