Pilsen in context: Street-network sprawl trends

Pilsen 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
PilsenPlzensky (Region)Czechia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pilsen plotted against Plzeňský and Czechia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Pilsen's incremental SNDi rose from 2.94 to 3.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pilsen ranked 1st out of 1 cities in Plzeňský and 2nd out of 12 in Czechia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.18
Rank in Czechia
6th of 12
Rank in Plzeňský
1st of 1

Entire Network (Aggregate)

SNDi value
1.99
Rank in Czechia
2nd of 12
Rank in Plzeňský
1st of 1

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

What about similarly populated cities?

0.71.42.12.8<19751976–19901991–20052006–2020SNDi of street additions
0.71.42.12.8<19751976–19901991–20052006–2020SNDi of entire street network
PilsenLaolingKolpino

In new street additions, Pilsen built increasingly disconnected streets over time, while Laoling fluctuated in its street-construction patterns and Kolpino built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Pilsen and Laoling both became progressively more disconnected, while Kolpino fluctuated in connectivity. Pilsen and Laoling have been converging in their street-network character since 1975.