Ostrów Wielkopolski in context: Street-network sprawl trends

Ostrow Wielkopolski 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
Ostrow WielkopolskiWielkopolskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ostrów Wielkopolski plotted against Wielkopolskie and Poland. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Ostrów Wielkopolski's incremental SNDi rose from 2.65 to 2.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ostrów Wielkopolski ranked 1st out of 6 cities in Wielkopolskie and 19th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
2.82
Rank in Poland
19th of 63
Rank in Wielkopolskie
1st of 6

Entire Network (Aggregate)

SNDi value
2.09
Rank in Poland
19th of 63
Rank in Wielkopolskie
1st of 6

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
Ostrow WielkopolskiWenchengPalpala

In new street additions, Ostrów Wielkopolski built increasingly disconnected streets over time, while Wencheng fluctuated in its street-construction patterns and Palpalá built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Ostrów Wielkopolski and Palpalá both became progressively more disconnected, while Wencheng became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Ostrów Wielkopolski and Palpalá have been growing further apart in their street-network character since 1975.