Madalla in context: Street-network sprawl trends

Madalla in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
MadallaNiger (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Madalla plotted against Niger and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Madalla's incremental SNDi rose from 4.44 to 5.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Madalla ranked 13th out of 13 cities in Niger and 362nd out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
5.1
Rank in Nigeria
281st of 422
Rank in Niger
13th of 13

Entire Network (Aggregate)

SNDi value
4.74
Rank in Nigeria
362nd of 422
Rank in Niger
13th of 13

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
MadallaTetouanKaliningrad

While Tétouan and Kaliningrad both built increasingly disconnected streets over time, Madalla fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend.