The level of street-network sprawl in new development in Normandie peaked in 1976-1990. To get a sense of how street development has changed in Normandie, we can consider three of its most populous cities: Rouen, Le Havre and Caen. Out of the three cities, Rouen and Le Havre do not follow the same trend as the region. The level of street-network sprawl in new development in Rouen followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Le Havre peaked in 1991-2005.

How do development practices in Normandie fare in comparison to others in France? Most recently in 2006-2020, street construction in Normandie was the 4th-most disconnected out of the 13 regions in France. Its position in the ranks since 1975 has risen; relative to other regions in France, street construction in Normandie has become more disconnected. Normandie ranked 5th in 1975, 8th in 1976-1990, 4th in 1991-2005 and 4th in 2006-2020.

As of 2020, the city with the most disconnected street network in Normandie is Rouen with an SNDi of 2.9, which is moderately connected. Conversely, the most connected city is Le Havre with an SNDi of 1.85, which is very well-connected. See trends for these cities: Le Havre, Rouen

The level of street-network sprawl in the aggregate network in Normandie rose steadily. To get a sense of how the aggregate street network has changed in Normandie, we can consider three of its most populous cities: Rouen, Le Havre and Caen. Out of the three cities, Caen does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Caen peaked in 1991-2005.

To date, Normandie is the 5th-most disconnected out of the 13 regions in France. Its position in the ranks since 1975 has not changed. Normandie ranked 5th in 1975, 6th in 1976-1990, 5th in 1991-2005 and 5th in 2006-2020.