Brno in context: Street-network sprawl trends

Brno 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
BrnoJihomoravsky (Region)Czechia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Brno plotted against Jihomoravský and Czechia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Brno's incremental SNDi rose from 3.07 to 3.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Brno ranked 1st out of 1 cities in Jihomoravský and 8th out of 12 in Czechia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.13
Rank in Czechia
5th of 12
Rank in Jihomoravský
1st of 1

Entire Network (Aggregate)

SNDi value
2.37
Rank in Czechia
8th of 12
Rank in Jihomoravský
1st of 1

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
BrnoSri GanganagarAmroha

In new street additions, Brno built increasingly disconnected streets over time, while Sri Ganganagar fluctuated in its street-construction patterns and Amroha fluctuated in its street-construction patterns. For the full network, Brno and Sri Ganganagar both became progressively more disconnected, while Amroha became progressively more connected. Brno and Sri Ganganagar have been converging in their street-network character since 1975.