Borås in context: Street-network sprawl trends

Boras in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
BorasVastra Gotaland (Region)Sweden (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Borås plotted against Västra Götaland and Sweden. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Borås's incremental SNDi rose from 2.83 to 3.54 between 1991-2005 and 2006-2020. In terms of the aggregate network, Borås ranked 1st out of 2 cities in Västra Götaland and 12th out of 17 in Sweden as of 2020.

New Street Additions (2006–2020)

SNDi value
3.54
Rank in Sweden
15th of 17
Rank in Västra Götaland
2nd of 2

Entire Network (Aggregate)

SNDi value
2.13
Rank in Sweden
12th of 17
Rank in Västra Götaland
1st of 2

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
BorasTatlay AaliLapai

In new street additions, Borås built increasingly disconnected streets over time, while Tatlay Aali built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Lapai built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Borås and Lapai both became progressively more disconnected, while Tatlay Aali became progressively more connected. Borås and Lapai have been growing further apart in their street-network character since 1975.