noun
traffic
TRAF-ik/ˈtræfɪk/
The flow of movement along a route.
Traffic moves in both directions along the curved stretch of road.

Etymology
Italian traffico meant trade, and early English traffic concerned transporting merchandise for commerce. The emphasis shifted from exchanging goods to the movement of goods, people, and vehicles along routes.
In context
there's going to be more traffic when when school's in session there's school buses and there's various people driving their kids to and from school
More examples
- Heavy foot traffic wears a path across the grass.
- The network slows when data traffic increases.
- The redesign brings more traffic to our website.