Az Zuhrah in context: Street-network sprawl trends
Az Zuhrah in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Az Zuhrah plotted against Al Hudaydah and Yemen. The SNDi of new construction in Az Zuhrah followed a zig-zag trend, compared to Al Hudaydah which followed a zig-zag trend with an overall increase and Yemen which followed a zig-zag trend with an overall increase. Most recently, Az Zuhrah's incremental SNDi fell from 4.74 to 1.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Az Zuhrah ranked 6th out of 8 cities in Al Hudaydah and 37th out of 58 in Yemen as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.24
- Rank in Yemen
- 1st of 58
- Rank in Al Hudaydah
- 1st of 8
Entire Network (Aggregate)
- SNDi value
- 4.49
- Rank in Yemen
- 37th of 58
- Rank in Al Hudaydah
- 6th of 8
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Az Zuhrah fluctuated in its street-construction patterns, while Assab fluctuated in its street-construction patterns and Kirovo-Chepetsk built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Az Zuhrah fluctuated in connectivity, while Assab fluctuated in connectivity and Kirovo-Chepetsk became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.