Pobè in context: Street-network sprawl trends

Pobe in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
PobePlateau (Region)Benin (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pobè plotted against Plateau and Benin. The SNDi of new construction in Pobè rose steadily, compared to Plateau which followed a zig-zag trend with an overall increase and Benin which followed a zig-zag trend with an overall increase. Most recently, Pobè's incremental SNDi rose from 2.28 to 3.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pobè ranked 2nd out of 3 cities in Plateau and 12th out of 24 in Benin as of 2020.

New Street Additions (2006–2020)

SNDi value
3.73
Rank in Benin
21st of 24
Rank in Plateau
3rd of 3

Entire Network (Aggregate)

SNDi value
2.13
Rank in Benin
12th of 24
Rank in Plateau
2nd of 3

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
PobeNakondeBraga

In new street additions, Pobè and Braga both built increasingly disconnected streets over time, while Nakonde fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Pobè and Nakonde have been growing further apart in their street-network character since 1975.