Mirzay in context: Street-network sprawl trends

Mirzay in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
MirzayBalkh (Region)Afghanistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mirzay plotted against Balkh and Afghanistan. The SNDi of new construction in Mirzay followed a zig-zag trend, compared to Balkh which peaked in 1976-1990 and Afghanistan which followed a zig-zag trend with an overall increase. Most recently, Mirzay's incremental SNDi fell from 3.61 to 3.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mirzay ranked 2nd out of 3 cities in Balkh and 17th out of 73 in Afghanistan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.31
Rank in Afghanistan
27th of 73
Rank in Balkh
2nd of 3

Entire Network (Aggregate)

SNDi value
2.75
Rank in Afghanistan
17th of 73
Rank in Balkh
2nd of 3

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
MirzayLagunenMatsulu

In new street additions, Mirzay fluctuated in its street-construction patterns, while Lagunen built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Matsulu built increasingly disconnected streets over time. For the full network, Mirzay fluctuated in connectivity, while Lagunen became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Matsulu became progressively more disconnected. Mirzay and Lagunen have been converging in their street-network character since 1975.