Halle (Saale) in context: Street-network sprawl trends

Halle (Saale) 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
Halle (Saale)Sachsen-Anhalt (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Halle (Saale) plotted against Sachsen-Anhalt and Germany. The SNDi of new construction in Halle (Saale) peaked in 1991-2005, compared to Sachsen-Anhalt which rose steadily and Germany which rose steadily. Most recently, Halle (Saale)'s incremental SNDi fell from 2.82 to 2.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Halle (Saale) ranked 1st out of 2 cities in Sachsen-Anhalt and 29th out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
2.63
Rank in Germany
44th of 99
Rank in Sachsen-Anhalt
1st of 2

Entire Network (Aggregate)

SNDi value
1.84
Rank in Germany
29th of 99
Rank in Sachsen-Anhalt
1st of 2

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
Halle (Saale)PusadNazareth

In new street additions, Halle (Saale) built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Pusad fluctuated in its street-construction patterns and Nazareth built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Halle (Saale) and Pusad have been growing further apart in their street-network character since 1975.