Damagum in context: Street-network sprawl trends
Damagum in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Damagum plotted against Yobe and Nigeria. The SNDi of new construction in Damagum peaked in 1976-1990, compared to Yobe which followed a zig-zag trend with an overall increase and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Damagum's incremental SNDi fell from 2.75 to 0.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Damagum ranked 6th out of 7 cities in Yobe and 196th out of 422 in Nigeria as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 0.89
- Rank in Nigeria
- 6th of 422
- Rank in Yobe
- 1st of 7
Entire Network (Aggregate)
- SNDi value
- 3.1
- Rank in Nigeria
- 196th of 422
- Rank in Yobe
- 6th of 7
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Qianyu, China
- Hòa Bình, Vietnam
- Mpulungu, Zambia
- Lanshan, China
- Bondo, Democratic Republic of the Congo
- Sinko, Guinea
In new street additions, Damagum and Qianyu both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Lanshan fluctuated in its street-construction patterns. For the full network, Damagum grew more disconnected from 1975 through 1976-1990, then improved, while Qianyu grew more disconnected from 1975 through 1991-2005, then improved and Lanshan became progressively more disconnected. Damagum and Qianyu have been growing further apart in their street-network character since 1975.