Tanga in context: Street-network sprawl trends

Tanga in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tanga plotted against Tanzania. The SNDi of new construction in Tanga peaked in 1991-2005, while Tanzania was at its lowest in 1976-1990. Most recently, Tanga's incremental SNDi fell from 2.76 to 2.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tanga ranked 10th out of 45 in Tanzania as of 2020.

New Street Additions (2006–2020)

SNDi value
2.32
Rank in Tanzania
16th of 45

Entire Network (Aggregate)

SNDi value
1.95
Rank in Tanzania
10th 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
TangaLaredoFoz do Iguacu

In new street additions, Tanga built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Laredo built increasingly disconnected streets over time and Foz do Iguaçu fluctuated in its street-construction patterns. For the full network, Tanga and Laredo both became progressively more disconnected, while Foz do Iguaçu fluctuated in connectivity. Tanga and Laredo have been growing further apart in their street-network character since 1975.