Hanau in context: Street-network sprawl trends

Hanau in context

2.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
HanauHessen (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hanau plotted against Hessen and Germany. The SNDi of new construction in Hanau followed a zig-zag trend with an overall increase, compared to Hessen which peaked in 1991-2005 and Germany which rose steadily. Most recently, Hanau's incremental SNDi rose from 2.79 to 3.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hanau ranked 8th out of 8 cities in Hessen and 78th out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
3.09
Rank in Germany
68th of 99
Rank in Hessen
7th of 8

Entire Network (Aggregate)

SNDi value
2.32
Rank in Germany
78th of 99
Rank in Hessen
8th of 8

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
HanauTrilyee FamilyTiandong

In new street additions, Hanau fluctuated in its street-construction patterns, while Trilyee Family fluctuated in its street-construction patterns and Tiandong built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Hanau and Tiandong both became progressively more disconnected, while Trilyee Family became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Hanau and Trilyee Family have been converging in their street-network character since 1975.