Prague in context: Street-network sprawl trends

Prague in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
PragueCzechia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Prague plotted against Czechia. Both Prague and Czechia follow the same trend. Most recently, Prague's incremental SNDi rose from 2.93 to 3.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Prague ranked 5th out of 12 in Czechia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.35
Rank in Czechia
7th of 12

Entire Network (Aggregate)

SNDi value
2.09
Rank in Czechia
5th of 12

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
PragueLyonBishkek

In new street additions, Prague built increasingly disconnected streets over time, while Lyon built increasingly disconnected streets from 1975 through 1976-1990, then improved and Bishkek fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.