Sosnowiec in context: Street-network sprawl trends

Sosnowiec in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
SosnowiecSlaskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sosnowiec plotted against Śląskie and Poland. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sosnowiec's incremental SNDi rose from 2.46 to 3.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sosnowiec ranked 1st out of 8 cities in Śląskie and 17th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
3.58
Rank in Poland
40th of 63
Rank in Śląskie
2nd of 8

Entire Network (Aggregate)

SNDi value
2.08
Rank in Poland
17th of 63
Rank in Śląskie
1st of 8

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
SosnowiecJizzakhRaiwind

In new street additions, Sosnowiec and Raiwind both built increasingly disconnected streets over time, while Jizzakh built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Sosnowiec and Jizzakh have been growing further apart in their street-network character since 1975.