Tanguieta in context: Street-network sprawl trends

Tanguieta 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
TanguietaAtakora (Region)Benin (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tanguieta plotted against Atakora and Benin. While Atakora and Benin both followed a zig-zag trend with an overall increase, Tanguieta's new street additions followed a zig-zag trend with an overall increase. Most recently, Tanguieta's incremental SNDi rose from 1.78 to 2.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tanguieta ranked 1st out of 2 cities in Atakora and 2nd out of 24 in Benin as of 2020.

New Street Additions (2006–2020)

SNDi value
2.17
Rank in Benin
4th of 24
Rank in Atakora
1st of 2

Entire Network (Aggregate)

SNDi value
1.77
Rank in Benin
2nd of 24
Rank in Atakora
1st of 2

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
TanguietaAl-RastanSelebi Phikwe

In new street additions, Tanguieta fluctuated in its street-construction patterns, while Al-Rastan built increasingly disconnected streets from 1975 through 1976-1990, then improved and Selebi Phikwe built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.