Kalisz in context: Street-network sprawl trends

Kalisz in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
KaliszWielkopolskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kalisz plotted against Wielkopolskie and Poland. The SNDi of new construction in Kalisz peaked in 1991-2005, compared to Wielkopolskie which rose steadily and Poland which rose steadily. Most recently, Kalisz's incremental SNDi fell from 3.51 to 3.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kalisz ranked 5th out of 6 cities in Wielkopolskie and 37th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
3.31
Rank in Poland
33rd of 63
Rank in Wielkopolskie
4th of 6

Entire Network (Aggregate)

SNDi value
2.4
Rank in Poland
37th of 63
Rank in Wielkopolskie
5th of 6

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

What about similarly populated cities?

234<19751976–19901991–20052006–2020SNDi of street additions
234<19751976–19901991–20052006–2020SNDi of entire street network
KaliszNuzvidNedjo

In new street additions, Kalisz built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Nuzvid built increasingly disconnected streets over time and Nedjo built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Kalisz and Nedjo have been converging in their street-network character since 1975.