main road
US /meɪn roʊd/
UK /meɪn roʊd/

1.
carretera principal, vía principal
a large road that connects towns or cities and is used by a lot of traffic
:
•
The accident happened on the main road just outside the town.
El accidente ocurrió en la carretera principal justo a las afueras del pueblo.
•
Turn left at the next junction onto the main road.
Gire a la izquierda en el próximo cruce hacia la carretera principal.