The level of street-network sprawl in new development in Ruvuma rose steadily. To get a sense of how street development has changed in Ruvuma, we can consider two of its most populous cities: Songea and Tunduru. Out of the two cities, Tunduru does not follow the same trend as the region. The level of street-network sprawl in new development in Tunduru followed a zig-zag trend with an overall increase.

How do development practices in Ruvuma fare in comparison to others in Tanzania? Most recently in 2006-2020, street construction in Ruvuma was the 25th-most disconnected out of the 25 regions in Tanzania. Its position in the ranks since 1975 has fallen; relative to other regions in Tanzania, street construction in Ruvuma has become more connected. Ruvuma ranked 15th in 1975, 18th in 1976-1990, 16th in 1991-2005 and 25th in 2006-2020.

As of 2020, the city with the most disconnected street network in Ruvuma is Tunduru with an SNDi of 3.3, which is moderately connected. Conversely, the most connected city is Songea with an SNDi of 2.58, which is relatively well-connected. See trends for these cities: Songea, Tunduru

The level of street-network sprawl in the aggregate network in Ruvuma rose steadily. To get a sense of how the aggregate street network has changed in Ruvuma, we can consider two of its most populous cities: Songea and Tunduru. Disconnectivity in the most populous cities in Ruvuma follow the same region trend.

To date, Ruvuma is the 18th-most disconnected out of the 25 regions in Tanzania. Its position in the ranks since 1975 has fallen; relative to other regions in Tanzania, the street network in Ruvuma has become more connected. Ruvuma ranked 15th in 1975, 16th in 1976-1990, 18th in 1991-2005 and 18th in 2006-2020.