Girza in context: Street-network sprawl trends

Girza in context

3.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
3.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
GirzaAl Jizah (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Girza plotted against Al Jizah and Egypt. The SNDi of new construction in Girza followed a zig-zag trend with an overall decrease, compared to Al Jizah which followed a zig-zag trend with an overall increase and Egypt which followed a zig-zag trend with an overall increase. Most recently, Girza's incremental SNDi fell from 5.32 to 4.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Girza ranked 8th out of 8 cities in Al Jizah and 188th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
4.84
Rank in Egypt
131st of 213
Rank in Al Jizah
7th of 8

Entire Network (Aggregate)

SNDi value
5.57
Rank in Egypt
188th of 213
Rank in Al Jizah
8th of 8

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
GirzaGolmortiBiliri

In new street additions, Girza fluctuated in its street-construction patterns, while Golmorti built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Biliri built increasingly disconnected streets over time. For the full network, Girza became progressively more connected, while Golmorti became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Biliri became progressively more disconnected. Girza and Biliri have been converging in their street-network character since 1975.