The level of street-network sprawl in new development in Hessen peaked in 1991-2005. To get a sense of how street development has changed in Hessen, we can consider three of its most populous cities: Frankfurt, Wiesbaden and Kassel. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Frankfurt peaked in 1976-1990. The level of street-network sprawl in new development in Wiesbaden rose steadily. The level of street-network sprawl in new development in Kassel rose steadily.

How do development practices in Hessen fare in comparison to others in Germany? Most recently in 2006-2020, street construction in Hessen was the 5th-most disconnected out of the 16 regions in Germany. Its position in the ranks since 1975 has risen; relative to other regions in Germany, street construction in Hessen has become more disconnected. Hessen ranked 12th in 1975, 13th in 1976-1990, 9th in 1991-2005 and 5th in 2006-2020.

As of 2020, the city with the most disconnected street network in Hessen is Hanau with an SNDi of 2.32, which is well-connected. Conversely, the most connected city is Darmstadt with an SNDi of 1.17, which is very well-connected. See trends for these cities: Darmstadt, Hanau

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

To date, Hessen is the 9th-most disconnected out of the 16 regions in Germany. Its position in the ranks since 1975 has risen; relative to other regions in Germany, the street network in Hessen has become more disconnected. Hessen ranked 12th in 1975, 12th in 1976-1990, 10th in 1991-2005 and 9th in 2006-2020.