Oldenburg in context: Street-network sprawl trends

Oldenburg in context

2.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
OldenburgNiedersachsen (Region)Germany (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Oldenburg plotted against Niedersachsen and Germany. The SNDi of new construction in Oldenburg peaked in 1991-2005, compared to Niedersachsen which rose steadily and Germany which rose steadily. Most recently, Oldenburg's incremental SNDi fell from 3.51 to 3.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Oldenburg ranked 9th out of 9 cities in Niedersachsen and 91st out of 99 in Germany as of 2020.

New Street Additions (2006–2020)

SNDi value
3.34
Rank in Germany
79th of 99
Rank in Niedersachsen
8th of 9

Entire Network (Aggregate)

SNDi value
2.66
Rank in Germany
91st of 99
Rank in Niedersachsen
9th of 9

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
OldenburgChauri ChauraTessaoua

While Chauri Chaura and Tessaoua both fluctuated in its street-construction patterns, Oldenburg built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Oldenburg and Tessaoua both became progressively more disconnected, while Chauri Chaura grew more disconnected from 1975 through 1976-1990, then improved.