Arusha in context: Street-network sprawl trends

Arusha in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
ArushaTanzania (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Arusha plotted against Tanzania. The SNDi of new construction in Arusha peaked in 1991-2005, while Tanzania was at its lowest in 1976-1990. Most recently, Arusha's incremental SNDi fell from 5.42 to 5.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Arusha ranked 45th out of 45 in Tanzania as of 2020.

New Street Additions (2006–2020)

SNDi value
5.11
Rank in Tanzania
42nd of 45

Entire Network (Aggregate)

SNDi value
5.13
Rank in Tanzania
45th of 45

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
ArushaCabindaGoma

In new street additions, Arusha built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Cabinda built increasingly disconnected streets from 1975 through 1976-1990, then improved and Goma fluctuated in its street-construction patterns. For the full network, Arusha became progressively more disconnected, while Cabinda grew more disconnected from 1975 through 1991-2005, then improved and Goma fluctuated in connectivity. Arusha and Cabinda have been growing further apart in their street-network character since 1975.