Delmenhorst in context: Street-network sprawl trends

Delmenhorst in context

2.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
DelmenhorstNiedersachsen (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Delmenhorst plotted against Niedersachsen and Germany. The SNDi of new construction in Delmenhorst peaked in 1991-2005, compared to Niedersachsen which rose steadily and Germany which rose steadily. Most recently, Delmenhorst's incremental SNDi fell from 3.47 to 3.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Delmenhorst ranked 8th out of 9 cities in Niedersachsen and 87th out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
3.29
Rank in Germany
77th of 99
Rank in Niedersachsen
7th of 9

Entire Network (Aggregate)

SNDi value
2.52
Rank in Germany
87th of 99
Rank in Niedersachsen
8th of 9

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
DelmenhorstIfonPaungde

In new street additions, Delmenhorst built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Ifon built increasingly disconnected streets over time and Paungde fluctuated in its street-construction patterns. For the full network, Delmenhorst and Ifon both became progressively more disconnected, while Paungde fluctuated in connectivity. Delmenhorst and Ifon have been converging in their street-network character since 1975.