Sidfa in context: Street-network sprawl trends

Sidfa in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
SidfaAsyut (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sidfa plotted against Asyut and Egypt. The SNDi of new construction in Sidfa rose steadily, compared to Asyut which rose steadily and Egypt which followed a zig-zag trend with an overall increase. Most recently, Sidfa's incremental SNDi rose from 5.81 to 6.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sidfa ranked 14th out of 18 cities in Asyut and 173rd out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
6.52
Rank in Egypt
179th of 213
Rank in Asyut
14th of 18

Entire Network (Aggregate)

SNDi value
4.95
Rank in Egypt
173rd of 213
Rank in Asyut
14th of 18

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
SidfaBalyanaQuelimane

In new street additions, Sidfa built increasingly disconnected streets over time, while Balyana built increasingly disconnected streets from 1975 through 1991-2005, then improved and Quelimane fluctuated in its street-construction patterns. For the full network, Sidfa and Quelimane both became progressively more disconnected, while Balyana grew more disconnected from 1975 through 1991-2005, then improved.