Fana in context: Street-network sprawl trends

Fana in context

0.91.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
FanaKoulikoro (Region)Mali (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Fana plotted against Koulikoro and Mali. The SNDi of new construction in Fana rose steadily, compared to Koulikoro which followed a zig-zag trend with an overall increase and Mali which followed a zig-zag trend with an overall increase. Most recently, Fana's incremental SNDi rose from 1.7 to 2.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Fana ranked 1st out of 5 cities in Koulikoro and 4th out of 22 in Mali as of 2020.

New Street Additions (2006–2020)

SNDi value
2.47
Rank in Mali
11th of 22
Rank in Koulikoro
2nd of 5

Entire Network (Aggregate)

SNDi value
1.35
Rank in Mali
4th of 22
Rank in Koulikoro
1st of 5

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
FanaOranjestadKhachmaz

In new street additions, Fana built increasingly disconnected streets over time, while Oranjestad fluctuated in its street-construction patterns and Khachmaz built increasingly connected streets over time. For the full network, Fana became progressively more disconnected, while Oranjestad fluctuated in connectivity and Khachmaz became progressively more connected. Fana and Khachmaz have been converging in their street-network character since 1975.