Al-Gamaleya in context: Street-network sprawl trends

Al-Gamaleya in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
Al-GamaleyaAd Daqahliyah (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Al-Gamaleya plotted against Ad Daqahliyah and Egypt. The SNDi of new construction in Al-Gamaleya rose steadily, compared to Ad Daqahliyah which peaked in 1991-2005 and Egypt which followed a zig-zag trend with an overall increase. Most recently, Al-Gamaleya's incremental SNDi rose from 3.65 to 4.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al-Gamaleya ranked 16th out of 22 cities in Ad Daqahliyah and 106th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
4.16
Rank in Egypt
100th of 213
Rank in Ad Daqahliyah
12th of 22

Entire Network (Aggregate)

SNDi value
3.35
Rank in Egypt
106th of 213
Rank in Ad Daqahliyah
16th of 22

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
Al-GamaleyaFatwahHuaiyuan

In new street additions, Al-Gamaleya and Huaiyuan both built increasingly disconnected streets over time, while Fatwah built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.