Basse Santa Su in context: Street-network sprawl trends

Basse Santa Su in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
Basse Santa SuUpper River (Region)Gambia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Basse Santa Su plotted against Upper River and Gambia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Basse Santa Su's incremental SNDi rose from 1.97 to 3.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Basse Santa Su ranked 1st out of 1 cities in Upper River and 3rd out of 3 in Gambia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.17
Rank in Gambia
3rd of 3
Rank in Upper River
1st of 1

Entire Network (Aggregate)

SNDi value
2.1
Rank in Gambia
3rd of 3
Rank in Upper River
1st of 1

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Basse Santa SuVicosaGadahinglaj

Basse Santa Su, Viçosa, and Gadahinglaj all fluctuated in its street-construction patterns in new street construction. For the full network, Basse Santa Su and Gadahinglaj both fluctuated in connectivity, while Viçosa became progressively more disconnected. Basse Santa Su and Viçosa have been growing further apart in their street-network character since 1975.