Constance in context: Street-network sprawl trends

Constance in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
ConstanceBaden-Wurttemberg (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Constance plotted against Baden-Württemberg and Germany. The SNDi of new construction in Constance peaked in 1991-2005, compared to Baden-Württemberg which followed a zig-zag trend with an overall increase and Germany which rose steadily. Most recently, Constance's incremental SNDi fell from 1.94 to 1.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, Constance ranked 2nd out of 15 cities in Baden-Württemberg and 4th out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
1.45
Rank in Germany
2nd of 99
Rank in Baden-Württemberg
1st of 15

Entire Network (Aggregate)

SNDi value
1.51
Rank in Germany
4th of 99
Rank in Baden-Württemberg
2nd of 15

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ConstanceChiquimulaIsfara

In new street additions, Constance and Isfara both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Chiquimula fluctuated in its street-construction patterns. For the full network, Constance and Chiquimula both became progressively more disconnected, while Isfara grew more disconnected from 1975 through 1991-2005, then improved. Constance and Chiquimula have been growing further apart in their street-network character since 1975.