boulevard, avenue, street, road

A boulevard is a broad city street that is lined with trees and landscaped. Many boulevards have an island of trees, grass, or flowers down the center, which divides the traffic.

A street is a public way in a city or a town. A street, usually, is accompanied by a sidewalk.

A road is a narrow, usually paved strip of land, used for transportation. Roads are, generally, found outside of urban areas.

An avenue is a broad passageway bordered by trees.