Białystok in context: Street-network sprawl trends

Bialystok in context

1.82.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
BialystokPodlaskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Białystok plotted against Podlaskie and Poland. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Białystok's incremental SNDi rose from 2.59 to 2.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Białystok ranked 2nd out of 3 cities in Podlaskie and 28th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
2.62
Rank in Poland
16th of 63
Rank in Podlaskie
2nd of 3

Entire Network (Aggregate)

SNDi value
2.24
Rank in Poland
28th of 63
Rank in Podlaskie
2nd of 3

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
BialystokWakefieldDhaulpur

In new street additions, Białystok built increasingly disconnected streets over time, while Wakefield built increasingly disconnected streets from 1975 through 1991-2005, then improved and Dhaulpur fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Białystok and Dhaulpur have been growing further apart in their street-network character since 1975.