Rubavu in context: Street-network sprawl trends

Rubavu in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
RubavuIburengerazuba (Region)Rwanda (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Rubavu plotted against Iburengerazuba and Rwanda. The SNDi of new construction in Rubavu rose steadily, compared to Iburengerazuba which rose steadily and Rwanda which was at its lowest in 1976-1990. Most recently, Rubavu's incremental SNDi rose from 3.64 to 4.39 between 1991-2005 and 2006-2020. In terms of the aggregate network, Rubavu ranked 1st out of 1 cities in Iburengerazuba and 3rd out of 5 in Rwanda as of 2020.

New Street Additions (2006–2020)

SNDi value
4.39
Rank in Rwanda
5th of 5
Rank in Iburengerazuba
1st of 1

Entire Network (Aggregate)

SNDi value
3.37
Rank in Rwanda
3rd of 5
Rank in Iburengerazuba
1st of 1

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

What about similarly populated cities?

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
RubavuMaseruBaochi

In new street additions, Rubavu built increasingly disconnected streets over time, while Maseru fluctuated in its street-construction patterns and Baochi fluctuated in its street-construction patterns. For the full network, Rubavu became progressively more disconnected, while Maseru fluctuated in connectivity and Baochi became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Rubavu had a more connected network than Baochi in 1975 but the two have since reversed their relative ranking.