Chato in context: Street-network sprawl trends

Chato in context

0.81.62.43.2<19751976–19901991–20052006–2020SNDi of street additions
0.81.62.43.2<19751976–19901991–20052006–2020SNDi of entire street network
ChatoGeita (Region)Tanzania (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chato plotted against Geita and Tanzania. The SNDi of new construction in Chato rose steadily, compared to Geita which was at its lowest in 1976-1990 and Tanzania which was at its lowest in 1976-1990. Most recently, Chato's incremental SNDi rose from 1.02 to 1.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chato ranked 1st out of 5 cities in Geita and 1st out of 45 in Tanzania as of 2020.

New Street Additions (2006–2020)

SNDi value
1.1
Rank in Tanzania
1st of 45
Rank in Geita
1st of 5

Entire Network (Aggregate)

SNDi value
1.02
Rank in Tanzania
1st of 45
Rank in Geita
1st of 5

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

What about similarly populated cities?

0369<19751976–19901991–20052006–2020SNDi of street additions
0369<19751976–19901991–20052006–2020SNDi of entire street network
ChatoBalo-iOuelessebougou

In new street additions, Chato and Balo-i both built increasingly disconnected streets over time, while Ouélessébougou fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Chato and Balo-i have been growing further apart in their street-network character since 1975.