Hagen in context: Street-network sprawl trends

Hagen in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
HagenNordrhein-Westfalen (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hagen plotted against Nordrhein-Westfalen and Germany. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Hagen's incremental SNDi rose from 3.42 to 4.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hagen ranked 15th out of 24 cities in Nordrhein-Westfalen and 80th out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
4.72
Rank in Germany
94th of 99
Rank in Nordrhein-Westfalen
22nd of 24

Entire Network (Aggregate)

SNDi value
2.34
Rank in Germany
80th of 99
Rank in Nordrhein-Westfalen
15th of 24

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
HagenGong'anKebonan

In new street additions, Hagen and Kebonan both built increasingly disconnected streets over time, while Gong'an built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Hagen and Kebonan both became progressively more disconnected, while Gong'an grew more disconnected from 1975 through 1976-1990, then improved. Hagen and Gong'an have been converging in their street-network character since 1975.