Boukaria in context: Street-network sprawl trends

Boukaria in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
BoukariaKankan (Region)Guinea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Boukaria plotted against Kankan and Guinea. The SNDi of new construction in Boukaria followed a zig-zag trend with an overall decrease, compared to Kankan which followed a zig-zag trend with an overall increase and Guinea which rose steadily. Most recently, Boukaria's incremental SNDi rose from 1.69 to 1.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Boukaria ranked 4th out of 8 cities in Kankan and 4th out of 24 in Guinea as of 2020.

New Street Additions (2006–2020)

SNDi value
1.8
Rank in Guinea
4th of 24
Rank in Kankan
3rd of 8

Entire Network (Aggregate)

SNDi value
1.84
Rank in Guinea
4th of 24
Rank in Kankan
4th of 8

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
BoukariaCacongoDabat Neira

In new street additions, Boukaria fluctuated in its street-construction patterns, while Cacongo built increasingly disconnected streets from 1975 through 1991-2005, then improved and Dabat Neira fluctuated in its street-construction patterns. For the full network, Boukaria grew more disconnected from 1975 through 1976-1990, then improved, while Cacongo became progressively more disconnected and Dabat Neira became progressively more disconnected. Notably, Boukaria had a more sprawly network than Dabat Neira in 1975 but the two have since reversed their relative ranking.