Olsztyn in context: Street-network sprawl trends

Olsztyn in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
OlsztynWarminsko-Mazurskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Olsztyn plotted against Warmińsko-Mazurskie and Poland. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Olsztyn's incremental SNDi rose from 2.91 to 4.23 between 1991-2005 and 2006-2020. In terms of the aggregate network, Olsztyn ranked 2nd out of 3 cities in Warmińsko-Mazurskie and 42nd out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
4.23
Rank in Poland
52nd of 63
Rank in Warmińsko-Mazurskie
3rd of 3

Entire Network (Aggregate)

SNDi value
2.52
Rank in Poland
42nd of 63
Rank in Warmińsko-Mazurskie
2nd of 3

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
OlsztynDakshin GopalnagarUgep

In new street additions, Olsztyn and Ugep both built increasingly disconnected streets over time, while Dakshin Gopalnagar built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Olsztyn and Ugep both became progressively more disconnected, while Dakshin Gopalnagar grew more disconnected from 1975 through 1976-1990, then improved. Olsztyn and Dakshin Gopalnagar have been growing further apart in their street-network character since 1975.