Baía in context: Street-network sprawl trends

Baia in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
BaiaLuanda (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Baía plotted against Luanda and Angola. The SNDi of new construction in Baía peaked in 1991-2005, compared to Luanda which fell steadily and Angola which rose steadily. Most recently, Baía's incremental SNDi fell from 1.69 to 1.48 between 1991-2005 and 2006-2020. In terms of the aggregate network, Baía ranked 1st out of 4 cities in Luanda and 5th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
1.48
Rank in Angola
6th of 56
Rank in Luanda
1st of 4

Entire Network (Aggregate)

SNDi value
1.54
Rank in Angola
5th of 56
Rank in Luanda
1st of 4

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
BaiaPedro Juan CaballeroMohanganj

In new street additions, Baía and Pedro Juan Caballero both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Mohanganj built increasingly disconnected streets over time. Looking at the full network, Pedro Juan Caballero and Mohanganj both became progressively more disconnected, while Baía grew more disconnected from 1975 through 1991-2005, then improved. Notably, Baía had a more sprawly network than Pedro Juan Caballero in 1975 but the two have since reversed their relative ranking.