Brass in context: Street-network sprawl trends
Brass in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Brass plotted against Bayelsa and Nigeria. The SNDi of new construction in Brass peaked in 1991-2005, compared to Bayelsa which followed a zig-zag trend with an overall increase and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Brass's incremental SNDi fell from 8.09 to 7.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Brass ranked 2nd out of 6 cities in Bayelsa and 352nd out of 422 in Nigeria as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 7.43
- Rank in Nigeria
- 388th of 422
- Rank in Bayelsa
- 4th of 6
Entire Network (Aggregate)
- SNDi value
- 4.59
- Rank in Nigeria
- 352nd of 422
- Rank in Bayelsa
- 2nd of 6
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Hoechang, North Korea
- Fanjiatun, China
- Khopoli, India
- Madarganj, Bangladesh
- Polashbari, Bangladesh
- Shadegan, Iran
In new street additions, Brass and Hoechang both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Madarganj fluctuated in its street-construction patterns. For the full network, Brass became progressively more disconnected, while Hoechang grew more disconnected from 1975 through 1991-2005, then improved and Madarganj became progressively more connected. Brass and Madarganj have been converging in their street-network character since 1975.