Gothenburg in context: Street-network sprawl trends

Gothenburg in context

2.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
GothenburgVastra Gotaland (Region)Sweden (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gothenburg plotted against Västra Götaland and Sweden. The SNDi of new construction in Gothenburg peaked in 1991-2005, compared to Västra Götaland which rose steadily and Sweden which rose steadily. Most recently, Gothenburg's incremental SNDi fell from 3.0 to 2.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gothenburg ranked 2nd out of 2 cities in Västra Götaland and 14th out of 17 in Sweden as of 2020.

New Street Additions (2006–2020)

SNDi value
2.9
Rank in Sweden
11th of 17
Rank in Västra Götaland
1st of 2

Entire Network (Aggregate)

SNDi value
2.51
Rank in Sweden
14th of 17
Rank in Västra Götaland
2nd of 2

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

What about similarly populated cities?

345<19751976–19901991–20052006–2020SNDi of street additions
345<19751976–19901991–20052006–2020SNDi of entire street network
GothenburgAstrakhanRasht

In new street additions, Gothenburg and Astrakhan both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Rasht built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.