The level of street-network sprawl in new development in Alger rose steadily. To get a sense of how street development has changed in Alger, we can consider three of its most populous cities: Algiers, Zeralda and Sidi Moussa. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Algiers followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Zeralda peaked in 1991-2005. The level of street-network sprawl in new development in Sidi Moussa followed a zig-zag trend with an overall increase.

As of 2020, the city with the most disconnected street network in Alger is Algiers with an SNDi of 4.31, which is sprawly. Conversely, the most connected city is Zeralda with an SNDi of 3.99, which is sprawly. See trends for these cities: Zeralda, Algiers

The level of street-network sprawl in the aggregate network in Alger rose steadily. To get a sense of how the aggregate street network has changed in Alger, we can consider three of its most populous cities: Algiers, Zeralda and Sidi Moussa. Out of the three cities, Zeralda and Sidi Moussa do not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Zeralda peaked in 1991-2005. The level of street-network sprawl in the aggregate network in Sidi Moussa followed a zig-zag trend with an overall increase.