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

How do development practices in Grand Est fare in comparison to others in France? Most recently in 2006-2020, street construction in Grand Est was the 9th-most disconnected out of the 13 regions in France. Its position in the ranks since 1975 has fallen; relative to other regions in France, street construction in Grand Est has become more connected. Grand Est ranked 7th in 1975, 10th in 1976-1990, 9th in 1991-2005 and 9th in 2006-2020.

As of 2020, the city with the most disconnected street network in Grand Est is Troyes with an SNDi of 2.47, which is relatively well-connected. Conversely, the most connected city is Colmar with an SNDi of 1.88, which is very well-connected. See trends for these cities: Colmar, Troyes

The level of street-network sprawl in the aggregate network in Grand Est rose steadily. To get a sense of how the aggregate street network has changed in Grand Est, we can consider three of its most populous cities: Strasbourg, Nancy and Reims. Disconnectivity in the most populous cities in Grand Est follow the same region trend.

To date, Grand Est is the 7th-most disconnected out of the 13 regions in France. Its position in the ranks since 1975 has not changed. Grand Est ranked 7th in 1975, 8th in 1976-1990, 8th in 1991-2005 and 7th in 2006-2020.