Dakoro in context: Street-network sprawl trends

Dakoro in context

11.522.5<19751976–19901991–20052006–2020SNDi of street additions
11.522.5<19751976–19901991–20052006–2020SNDi of entire street network
DakoroMaradi (Region)Niger (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dakoro plotted against Maradi and Niger. The SNDi of new construction in Dakoro followed a zig-zag trend with an overall increase, compared to Maradi which followed a zig-zag trend with an overall increase and Niger which rose steadily. Most recently, Dakoro's incremental SNDi rose from 1.18 to 1.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dakoro ranked 2nd out of 7 cities in Maradi and 9th out of 33 in Niger as of 2020.

New Street Additions (2006–2020)

SNDi value
1.93
Rank in Niger
11th of 33
Rank in Maradi
3rd of 7

Entire Network (Aggregate)

SNDi value
1.45
Rank in Niger
9th of 33
Rank in Maradi
2nd of 7

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
DakoroBajogaPolegate

In new street additions, Dakoro fluctuated in its street-construction patterns, while Bajoga built increasingly disconnected streets from 1975 through 1976-1990, then improved and Polegate built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Dakoro fluctuated in connectivity, while Bajoga grew more disconnected from 1975 through 1991-2005, then improved and Polegate became progressively more disconnected. Dakoro and Bajoga have been converging in their street-network character since 1975.