Ad Da'ein in context: Street-network sprawl trends

Ad Da'ein in context

11.522.5<19751976–19901991–20052006–2020SNDi of street additions
11.522.5<19751976–19901991–20052006–2020SNDi of entire street network
Ad Da'einEast Darfur (Region)Sudan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ad Da'ein plotted against East Darfur and Sudan. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Ad Da'ein's incremental SNDi rose from 0.98 to 1.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ad Da'ein ranked 1st out of 7 cities in East Darfur and 5th out of 78 in Sudan as of 2020.

New Street Additions (2006–2020)

SNDi value
1.2
Rank in Sudan
8th of 78
Rank in East Darfur
2nd of 7

Entire Network (Aggregate)

SNDi value
1.07
Rank in Sudan
5th of 78
Rank in East Darfur
1st of 7

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

What about similarly populated cities?

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
Ad Da'einEdinburghYangquan

In new street additions, Ad Da'ein fluctuated in its street-construction patterns, while Edinburgh built increasingly disconnected streets from 1975 through 1991-2005, then improved and Yangquan built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Ad Da'ein and Edinburgh both became progressively more disconnected, while Yangquan became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.