Mutum Biyu in context: Street-network sprawl trends

Mutum Biyu in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
Mutum BiyuTaraba (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mutum Biyu plotted against Taraba and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Mutum Biyu's incremental SNDi rose from 2.94 to 3.42 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mutum Biyu ranked 7th out of 8 cities in Taraba and 271st out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.42
Rank in Nigeria
140th of 422
Rank in Taraba
3rd of 8

Entire Network (Aggregate)

SNDi value
3.68
Rank in Nigeria
271st of 422
Rank in Taraba
7th of 8

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

What about similarly populated cities?

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
Mutum BiyuParkonchBenxi Manchu Autonomous County

In new street additions, Mutum Biyu fluctuated in its street-construction patterns, while Parkonch built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Benxi Manchu Autonomous County built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Mutum Biyu grew more disconnected from 1975 through 1991-2005, then improved, while Parkonch became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Benxi Manchu Autonomous County became progressively more disconnected. Notably, Mutum Biyu had a more sprawly network than Benxi Manchu Autonomous County in 1975 but the two have since reversed their relative ranking.