Flensburg in context: Street-network sprawl trends

Flensburg in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
FlensburgSchleswig-Holstein (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Flensburg plotted against Schleswig-Holstein and Germany. The SNDi of new construction in Flensburg peaked in 1991-2005, compared to Schleswig-Holstein which peaked in 1991-2005 and Germany which rose steadily. Most recently, Flensburg's incremental SNDi fell from 2.67 to 2.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Flensburg ranked 4th out of 5 cities in Schleswig-Holstein and 63rd out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
2.32
Rank in Germany
23rd of 99
Rank in Schleswig-Holstein
3rd of 5

Entire Network (Aggregate)

SNDi value
2.09
Rank in Germany
63rd of 99
Rank in Schleswig-Holstein
4th of 5

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
FlensburgBuni YadiThengha

In new street additions, Flensburg and Thengha both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Buni Yadi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Flensburg and Thengha both became progressively more disconnected, while Buni Yadi became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Flensburg and Thengha have been growing further apart in their street-network character since 1975.