Arnhem in context: Street-network sprawl trends

Arnhem in context

22.22.42.62.8<19751976–19901991–20052006–2020SNDi of street additions
22.22.42.62.8<19751976–19901991–20052006–2020SNDi of entire street network
ArnhemGelderland (Region)Netherlands (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Arnhem plotted against Gelderland and Netherlands. The SNDi of new construction in Arnhem rose steadily, compared to Gelderland which peaked in 1991-2005 and Netherlands which peaked in 1991-2005. Most recently, Arnhem's incremental SNDi rose from 2.29 to 2.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Arnhem ranked 4th out of 4 cities in Gelderland and 32nd out of 43 in Netherlands as of 2020.

New Street Additions (2006–2020)

SNDi value
2.52
Rank in Netherlands
32nd of 43
Rank in Gelderland
4th of 4

Entire Network (Aggregate)

SNDi value
2.09
Rank in Netherlands
32nd of 43
Rank in Gelderland
4th of 4

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
ArnhemKurumePyay

While Kurume and Pyay both fluctuated in its street-construction patterns, Arnhem built increasingly disconnected streets over time in new street additions. For the full network, Arnhem and Kurume both became progressively more disconnected, while Pyay fluctuated in connectivity. Arnhem and Pyay have been growing further apart in their street-network character since 1975.