The level of street-network sprawl in new development in Hauts-de-France peaked in 1991-2005. To get a sense of how street development has changed in Hauts-de-France, we can consider three of its most populous cities: Lille, Lens and Dunkirk. Out of the three cities, Lens and Dunkirk do not follow the same trend as the region. The level of street-network sprawl in new development in Lens followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Dunkirk rose steadily.

As of 2020, the city with the most disconnected street network in Hauts-de-France is Creil with an SNDi of 2.83, which is relatively well-connected. Conversely, the most connected city is Arras with an SNDi of 2.01, which is well-connected. See trends for these cities: Arras, Creil

The level of street-network sprawl in the aggregate network in Hauts-de-France rose steadily. To get a sense of how the aggregate street network has changed in Hauts-de-France, we can consider three of its most populous cities: Lille, Lens and Dunkirk. Disconnectivity in the most populous cities in Hauts-de-France follow the same region trend.