Lubango in context: Street-network sprawl trends

Lubango in context

33.54<19751976–19901991–20052006–2020SNDi of street additions
33.54<19751976–19901991–20052006–2020SNDi of entire street network
LubangoHuila (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lubango plotted against Huíla and Angola. The SNDi of new construction in Lubango peaked in 1991-2005, compared to Huíla which followed a zig-zag trend with an overall increase and Angola which rose steadily. Most recently, Lubango's incremental SNDi fell from 4.16 to 3.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lubango ranked 6th out of 6 cities in Huíla and 43rd out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
3.21
Rank in Angola
37th of 56
Rank in Huíla
6th of 6

Entire Network (Aggregate)

SNDi value
3.48
Rank in Angola
43rd of 56
Rank in Huíla
6th of 6

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
LubangoBucaramangaCampo Grande

In new street additions, Lubango built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Bucaramanga fluctuated in its street-construction patterns and Campo Grande built increasingly disconnected streets over time. Looking at the full network, Bucaramanga and Campo Grande both became progressively more disconnected, while Lubango grew more disconnected from 1975 through 1991-2005, then improved. Notably, Lubango had a more sprawly network than Bucaramanga in 1975 but the two have since reversed their relative ranking.