Toruń in context: Street-network sprawl trends

Torun in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
TorunKujawsko-Pomorskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Toruń plotted against Kujawsko-Pomorskie and Poland. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Toruń's incremental SNDi rose from 1.94 to 2.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Toruń ranked 1st out of 5 cities in Kujawsko-Pomorskie and 3rd out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
2.33
Rank in Poland
6th of 63
Rank in Kujawsko-Pomorskie
2nd of 5

Entire Network (Aggregate)

SNDi value
1.64
Rank in Poland
3rd of 63
Rank in Kujawsko-Pomorskie
1st of 5

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
TorunTokchonJizhou

While Tokchon and Jizhou both built increasingly disconnected streets from 1975 through 1976-1990, then improved, Toruń built increasingly disconnected streets over time in new street additions. For the full network, Toruń became progressively more disconnected, while Tokchon grew more disconnected from 1975 through 1976-1990, then improved and Jizhou grew more disconnected from 1975 through 1991-2005, then improved.