Dodoma in context: Street-network sprawl trends

Dodoma in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dodoma plotted against Tanzania. The SNDi of new construction in Dodoma followed a zig-zag trend with an overall decrease, while Tanzania was at its lowest in 1976-1990. Most recently, Dodoma's incremental SNDi fell from 1.95 to 1.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dodoma ranked 9th out of 45 in Tanzania as of 2020.

New Street Additions (2006–2020)

SNDi value
1.72
Rank in Tanzania
3rd of 45

Entire Network (Aggregate)

SNDi value
1.95
Rank in Tanzania
9th of 45

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
DodomaAsh SharaiRaqqa

In new street additions, Dodoma fluctuated in its street-construction patterns, while Ash Sharai built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Raqqa built increasingly disconnected streets over time. For the full network, Dodoma became progressively more connected, while Ash Sharai became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Raqqa became progressively more disconnected. Dodoma and Raqqa have been converging in their street-network character since 1975.