Refers to a public road or street, often in urban settings. Slightly more formal than 道 (みち) and commonly used in compounds like 街路樹 (street trees).
He walked slowly along the quiet street.
Many street trees are planted along the avenue.
新しい街路が市の中心部に開通した。
A new road opened in the city center.
Shops line up along the street.
道路 covers any paved road including rural highways, whereas 街路 refers specifically to streets in a built-up urban area.
通り is the common, conversational word for a street (often with a name), while 街路 is a more official or written term used in urban planning contexts.
街道 refers to a major highway or route connecting towns, while 街路 refers to an ordinary street within a city; the two share the kanji 街 but differ in scale and setting.
narrow back road (under 4m wide)
street tree; roadside tree; trees lining a road
street light; streetlamp
street address
Compound of 街 (town, street) and 路 (road, path). The reading がいろ is the on'yomi for both characters.