Savè in context: Street-network sprawl trends

Save in context

1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
SaveCollines (Region)Benin (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Savè plotted against Collines and Benin. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Savè's incremental SNDi rose from 2.9 to 2.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Savè ranked 2nd out of 4 cities in Collines and 16th out of 24 in Benin as of 2020.

New Street Additions (2006–2020)

SNDi value
2.95
Rank in Benin
12th of 24
Rank in Collines
2nd of 4

Entire Network (Aggregate)

SNDi value
2.5
Rank in Benin
16th of 24
Rank in Collines
2nd of 4

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
SaveTepeyacBoke

In new street additions, Savè and Boké both fluctuated in its street-construction patterns, while Tepeyac built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Savè and Tepeyac both became progressively more disconnected, while Boké fluctuated in connectivity. Notably, Savè had a more connected network than Boké in 1975 but the two have since reversed their relative ranking.