Ushirombo in context: Street-network sprawl trends

Ushirombo in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
UshiromboGeita (Region)Tanzania (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ushirombo plotted against Geita and Tanzania. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Ushirombo's incremental SNDi rose from 1.94 to 3.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ushirombo ranked 5th out of 5 cities in Geita and 30th out of 45 in Tanzania as of 2020.

New Street Additions (2006–2020)

SNDi value
3.43
Rank in Tanzania
32nd of 45
Rank in Geita
5th of 5

Entire Network (Aggregate)

SNDi value
2.68
Rank in Tanzania
30th of 45
Rank in Geita
5th of 5

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
UshiromboDidouche MouradGhayl Ba Wazir

In new street additions, Ushirombo built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Didouche Mourad fluctuated in its street-construction patterns and Ghayl Ba Wazir fluctuated in its street-construction patterns. For the full network, Ushirombo became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Didouche Mourad became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Ghayl Ba Wazir fluctuated in connectivity. Ushirombo and Didouche Mourad have been growing further apart in their street-network character since 1975.