Al Qoddaba in context: Street-network sprawl trends

Al Qoddaba in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Al QoddabaAl Gharbiyah (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Al Qoddaba plotted against Al Gharbiyah and Egypt. The SNDi of new construction in Al Qoddaba rose steadily, compared to Al Gharbiyah which rose steadily and Egypt which followed a zig-zag trend with an overall increase. Most recently, Al Qoddaba's incremental SNDi rose from 3.71 to 4.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al Qoddaba ranked 6th out of 13 cities in Al Gharbiyah and 65th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
4.57
Rank in Egypt
118th of 213
Rank in Al Gharbiyah
10th of 13

Entire Network (Aggregate)

SNDi value
2.78
Rank in Egypt
65th of 213
Rank in Al Gharbiyah
6th of 13

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
Al QoddabaBaisiIngolstadt

In new street additions, Al Qoddaba built increasingly disconnected streets over time, while Baisi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Ingolstadt built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Al Qoddaba became progressively more disconnected, while Baisi became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Ingolstadt grew more disconnected from 1975 through 1991-2005, then improved. Al Qoddaba and Ingolstadt have been growing further apart in their street-network character since 1975.