Przemyśl in context: Street-network sprawl trends

Przemysl 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
PrzemyslPodkarpackie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Przemyśl plotted against Podkarpackie and Poland. The SNDi of new construction in Przemyśl peaked in 1991-2005, compared to Podkarpackie which rose steadily and Poland which rose steadily. Most recently, Przemyśl's incremental SNDi fell from 3.63 to 3.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Przemyśl ranked 3rd out of 4 cities in Podkarpackie and 38th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
3.0
Rank in Poland
25th of 63
Rank in Podkarpackie
3rd of 4

Entire Network (Aggregate)

SNDi value
2.41
Rank in Poland
38th of 63
Rank in Podkarpackie
3rd of 4

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
PrzemyslPerugiaCutral Co

In new street additions, Przemyśl built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Perugia built increasingly disconnected streets from 1975 through 1976-1990, then improved and Cutral Có fluctuated in its street-construction patterns. For the full network, Przemyśl became progressively more disconnected, while Perugia grew more disconnected from 1975 through 1991-2005, then improved and Cutral Có became progressively more connected. Przemyśl and Cutral Có have been growing further apart in their street-network character since 1975.