Madaoua in context: Street-network sprawl trends

Madaoua in context

234<19751976–19901991–20052006–2020SNDi of street additions
234<19751976–19901991–20052006–2020SNDi of entire street network
MadaouaTahoua (Region)Niger (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Madaoua plotted against Tahoua and Niger. The SNDi of new construction in Madaoua followed a zig-zag trend with an overall increase, compared to Tahoua which rose steadily and Niger which rose steadily. Most recently, Madaoua's incremental SNDi rose from 1.78 to 4.53 between 1991-2005 and 2006-2020. In terms of the aggregate network, Madaoua ranked 4th out of 8 cities in Tahoua and 20th out of 33 in Niger as of 2020.

New Street Additions (2006–2020)

SNDi value
4.53
Rank in Niger
27th of 33
Rank in Tahoua
5th of 8

Entire Network (Aggregate)

SNDi value
1.71
Rank in Niger
20th of 33
Rank in Tahoua
4th of 8

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
MadaouaMirpur MatheloMataro

In new street additions, Madaoua fluctuated in its street-construction patterns, while Mirpur Mathelo built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Mataró built increasingly disconnected streets over time. For the full network, Madaoua and Mataró both became progressively more disconnected, while Mirpur Mathelo became progressively more connected. Madaoua and Mirpur Mathelo have been converging in their street-network character since 1975.