Zwolle in context: Street-network sprawl trends

Zwolle in context

1.822.22.42.6<19751976–19901991–20052006–2020SNDi of street additions
1.822.22.42.6<19751976–19901991–20052006–2020SNDi of entire street network
ZwolleOverijssel (Region)Netherlands (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zwolle plotted against Overijssel and Netherlands. While Overijssel and Netherlands both peaked in 1991-2005, Zwolle's new street additions peaked in 1991-2005. Most recently, Zwolle's incremental SNDi fell from 2.17 to 2.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zwolle ranked 4th out of 5 cities in Overijssel and 28th out of 43 in Netherlands as of 2020.

New Street Additions (2006–2020)

SNDi value
2.12
Rank in Netherlands
18th of 43
Rank in Overijssel
3rd of 5

Entire Network (Aggregate)

SNDi value
1.95
Rank in Netherlands
28th of 43
Rank in Overijssel
4th of 5

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
ZwolleTeresopolisAl-Qobabat

In new street additions, Zwolle built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Teresópolis built increasingly disconnected streets over time and Al-Qobabat fluctuated in its street-construction patterns. For the full network, Zwolle and Teresópolis both became progressively more disconnected, while Al-Qobabat fluctuated in connectivity. Zwolle and Teresópolis have been growing further apart in their street-network character since 1975.