Durba in context: Street-network sprawl trends

Durba in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
DurbaHaut-Uele (Region)Democratic Republic of the Congo (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Durba plotted against Haut-Uele and Democratic Republic of the Congo. The SNDi of new construction in Durba was at its lowest in 1991-2005, compared to Haut-Uele which rose steadily and Democratic Republic of the Congo which followed a zig-zag trend with an overall increase. Most recently, Durba's incremental SNDi rose from 2.6 to 2.86 between 1991-2005 and 2006-2020. In terms of the aggregate network, Durba ranked 2nd out of 3 cities in Haut-Uele and 88th out of 186 in Democratic Republic of the Congo as of 2020.

New Street Additions (2006–2020)

SNDi value
2.86
Rank in Democratic Republic of the Congo
42nd of 186
Rank in Haut-Uele
1st of 3

Entire Network (Aggregate)

SNDi value
2.92
Rank in Democratic Republic of the Congo
88th of 186
Rank in Haut-Uele
2nd of 3

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
DurbaBhaptiyahiMehar Taluka

In new street additions, Durba and Bhaptiyahi both built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Mehar Taluka built increasingly disconnected streets over time. For the full network, Durba became progressively more connected, while Bhaptiyahi became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Mehar Taluka became progressively more disconnected. Notably, Durba had a more connected network than Bhaptiyahi in 1975 but the two have since reversed their relative ranking.