Pedestrian traffic; the flow or amount of people passing through a place.
夜はこの通りは人通りが少ない。
There are few pedestrians on this street at night.
日曜なので商店街の人通りが多い。
It's Sunday, so there are many people passing through the shopping street.
大雨で人通りが絶えた。
Heavy rain stopped pedestrian traffic.