The City of Montreal identified 350 green streets in 2019. A green alley is an alley that has been redeveloped by residents, with the assistance of a borough or eco-neighborhood. The redevelopment of an alley can bring about changes in car traffic: complete, partial or seasonal closure. Arrangements can vary between excavating flower beds, installing various types of furniture and marking on the ground. The type of covering can vary between asphalt/concrete, gravel, gravel, vegetated, vegetated, plain pavement, honeycombed pavement, grass or a mixture of several of these elements. With the support of the Department of Coordination of Boroughs and Citizen Experience of the City of Montreal, wanted to group this information together in order to inform citizens, but also the services of its boroughs in order to publicize, but also to protect these developments.This third party metadata element was translated using an automated translation tool (Amazon Translate).