Cafunfo in context: Street-network sprawl trends

Cafunfo in context

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
CafunfoLunda Norte (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cafunfo plotted against Lunda Norte and Angola. The SNDi of new construction in Cafunfo peaked in 1976-1990, compared to Lunda Norte which followed a zig-zag trend with an overall decrease and Angola which rose steadily. Most recently, Cafunfo's incremental SNDi fell from 1.93 to 1.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cafunfo ranked 1st out of 4 cities in Lunda Norte and 7th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
1.47
Rank in Angola
5th of 56
Rank in Lunda Norte
1st of 4

Entire Network (Aggregate)

SNDi value
1.7
Rank in Angola
7th of 56
Rank in Lunda Norte
1st of 4

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
CafunfoLaohekouZhongmu County

In new street additions, Cafunfo and Zhongmu County both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Laohekou built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Cafunfo grew more disconnected from 1975 through 1991-2005, then improved, while Laohekou became progressively more disconnected and Zhongmu County grew more disconnected from 1975 through 1976-1990, then improved. Cafunfo and Laohekou have been growing further apart in their street-network character since 1975.