Sangarédi in context: Street-network sprawl trends

Sangaredi in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
SangarediBoke (Region)Guinea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sangarédi plotted against Boké and Guinea. While Boké and Guinea both rose steadily, Sangarédi's new street additions rose steadily. Most recently, Sangarédi's incremental SNDi rose from 2.34 to 2.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sangarédi ranked 1st out of 4 cities in Boké and 6th out of 24 in Guinea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.95
Rank in Guinea
9th of 24
Rank in Boké
2nd of 4

Entire Network (Aggregate)

SNDi value
2.15
Rank in Guinea
6th of 24
Rank in Boké
1st of 4

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
SangarediYuekouZhushan

In new street additions, Sangarédi and Zhushan both built increasingly disconnected streets over time, while Yuekou fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.