Al Saff in context: Street-network sprawl trends

Al Saff in context

2.433.6<19751976–19901991–20052006–2020SNDi of street additions
2.433.6<19751976–19901991–20052006–2020SNDi of entire street network
Al SaffAl Jizah (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Al Saff plotted against Al Jizah and Egypt. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Al Saff's incremental SNDi rose from 2.14 to 2.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al Saff ranked 3rd out of 8 cities in Al Jizah and 51st out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
2.15
Rank in Egypt
8th of 213
Rank in Al Jizah
1st of 8

Entire Network (Aggregate)

SNDi value
2.61
Rank in Egypt
51st of 213
Rank in Al Jizah
3rd of 8

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
Al SaffZinnaPyu

In new street additions, Al Saff and Zinna both fluctuated in its street-construction patterns, while Pyu built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Al Saff grew more disconnected from 1975 through 1976-1990, then improved, while Zinna fluctuated in connectivity and Pyu grew more disconnected from 1975 through 1991-2005, then improved. Al Saff and Zinna have been growing further apart in their street-network character since 1975.