Safur in context: Street-network sprawl trends

Safur 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
SafurAsh Sharqiyah (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Safur plotted against Ash Sharqiyah and Egypt. The SNDi of new construction in Safur peaked in 1991-2005, compared to Ash Sharqiyah which followed a zig-zag trend with an overall increase and Egypt which followed a zig-zag trend with an overall increase. Most recently, Safur's incremental SNDi fell from 3.66 to 3.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Safur ranked 7th out of 28 cities in Ash Sharqiyah and 49th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
3.07
Rank in Egypt
36th of 213
Rank in Ash Sharqiyah
10th of 28

Entire Network (Aggregate)

SNDi value
2.59
Rank in Egypt
49th of 213
Rank in Ash Sharqiyah
7th of 28

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
SafurDatunCaratinga

In new street additions, Safur built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Datun fluctuated in its street-construction patterns and Caratinga built increasingly disconnected streets over time. For the full network, Safur and Caratinga both became progressively more disconnected, while Datun fluctuated in connectivity. Safur and Datun have been growing further apart in their street-network character since 1975.