Axial City in context: Street-network sprawl trends

Axial City in context

1.21.51.82.1<19751976–19901991–20052006–2020SNDi of street additions
1.21.51.82.1<19751976–19901991–20052006–2020SNDi of entire street network
Axial CityKhartoum (Region)Sudan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Axial City plotted against Khartoum and Sudan. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Axial City's incremental SNDi rose from 1.27 to 1.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Axial City ranked 4th out of 6 cities in Khartoum and 27th out of 78 in Sudan as of 2020.

New Street Additions (2006–2020)

SNDi value
1.41
Rank in Sudan
16th of 78
Rank in Khartoum
2nd of 6

Entire Network (Aggregate)

SNDi value
1.44
Rank in Sudan
27th of 78
Rank in Khartoum
4th of 6

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
Axial CityNavkentBria

In new street additions, Axial City and Bria both fluctuated in its street-construction patterns, while Navkent built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Navkent and Bria both became progressively more disconnected, while Axial City grew more disconnected from 1975 through 1976-1990, then improved. Axial City and Bria have been growing further apart in their street-network character since 1975.