Idku in context: Street-network sprawl trends

Idku in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
IdkuAl Buhayrah (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Idku plotted against Al Buhayrah and Egypt. The SNDi of new construction in Idku peaked in 1991-2005, compared to Al Buhayrah which peaked in 1976-1990 and Egypt which followed a zig-zag trend with an overall increase. Most recently, Idku's incremental SNDi fell from 2.55 to 2.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Idku ranked 3rd out of 13 cities in Al Buhayrah and 13th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
2.14
Rank in Egypt
7th of 213
Rank in Al Buhayrah
2nd of 13

Entire Network (Aggregate)

SNDi value
2.05
Rank in Egypt
13th of 213
Rank in Al Buhayrah
3rd of 13

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
IdkuKayanzaOka-Akoko

While Kayanza and Oka-Akoko both built increasingly disconnected streets over time, Idku built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full street network, though, all three cities follow the same trend. Idku and Kayanza have been growing further apart in their street-network character since 1975.