Mtwara in context: Street-network sprawl trends

Mtwara in context

1.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.82.43<19751976–19901991–20052006–2020SNDi of entire street network
MtwaraTanzania (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mtwara plotted against Tanzania. The SNDi of new construction in Mtwara rose steadily, while Tanzania was at its lowest in 1976-1990. Most recently, Mtwara's incremental SNDi rose from 2.07 to 2.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mtwara ranked 11th out of 45 in Tanzania as of 2020.

New Street Additions (2006–2020)

SNDi value
2.25
Rank in Tanzania
11th of 45

Entire Network (Aggregate)

SNDi value
1.95
Rank in Tanzania
11th of 45

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
MtwaraKoh-i-SayadNaj al Shaykh Hasan Abu Sabir

In new street additions, Mtwara and Naj al Shaykh Hasan Abu Sabir both built increasingly disconnected streets over time, while Koh-i-Sayad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Mtwara and Naj al Shaykh Hasan Abu Sabir both became progressively more disconnected, while Koh-i-Sayad became progressively more connected. Mtwara and Koh-i-Sayad have been converging in their street-network character since 1975.