Al ‘Abbāsiyya in context: Street-network sprawl trends
Al 'Abbasiyya in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Al ‘Abbāsiyya plotted against South Kurdufan and Sudan. The SNDi of new construction in Al ‘Abbāsiyya peaked in 1991-2005, compared to South Kurdufan which followed a zig-zag trend with an overall increase and Sudan which followed a zig-zag trend with an overall increase. Most recently, Al ‘Abbāsiyya's incremental SNDi fell from 4.2 to 3.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al ‘Abbāsiyya ranked 3rd out of 4 cities in South Kurdufan and 67th out of 78 in Sudan as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.83
- Rank in Sudan
- 72nd of 78
- Rank in South Kurdufan
- 3rd of 4
Entire Network (Aggregate)
- SNDi value
- 2.47
- Rank in Sudan
- 67th of 78
- Rank in South Kurdufan
- 3rd of 4
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Mit Badr Halawa, Egypt
- Hradec Králové, Czechia
- Palasa-Kasibugga, India
- Guildford, United Kingdom
- Rosenheim, Germany
- Shanting, China
In new street additions, Al ‘Abbāsiyya and Guildford both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Mit Badr Halawa built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Al ‘Abbāsiyya became progressively more disconnected, while Mit Badr Halawa became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Guildford grew more disconnected from 1975 through 1991-2005, then improved. Al ‘Abbāsiyya and Guildford have been converging in their street-network character since 1975.