Leipzig in context: Street-network sprawl trends

Leipzig in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
LeipzigSachsen (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Leipzig plotted against Sachsen and Germany. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Leipzig's incremental SNDi rose from 2.48 to 3.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Leipzig ranked 2nd out of 4 cities in Sachsen and 23rd out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
3.03
Rank in Germany
63rd of 99
Rank in Sachsen
2nd of 4

Entire Network (Aggregate)

SNDi value
1.77
Rank in Germany
23rd of 99
Rank in Sachsen
2nd of 4

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
LeipzigBarishalLangfang

Leipzig, Barishal, and Langfang all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network.