Pol-E-Charkhi in context: Street-network sprawl trends
Pol-E-Charkhi in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pol-E-Charkhi plotted against Kabul and Afghanistan. The SNDi of new construction in Pol-E-Charkhi peaked in 1976-1990, compared to Kabul which rose steadily and Afghanistan which followed a zig-zag trend with an overall increase. Most recently, Pol-E-Charkhi's incremental SNDi fell from 5.99 to 5.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pol-E-Charkhi ranked 5th out of 5 cities in Kabul and 66th out of 73 in Afghanistan as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.62
- Rank in Afghanistan
- 57th of 73
- Rank in Kabul
- 5th of 5
Entire Network (Aggregate)
- SNDi value
- 6.29
- Rank in Afghanistan
- 66th of 73
- Rank in Kabul
- 5th of 5
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Pol-E-Charkhi and Bundu both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Zhentou fluctuated in its street-construction patterns. For the full network, Pol-E-Charkhi grew more disconnected from 1975 through 1976-1990, then improved, while Bundu grew more disconnected from 1975 through 1991-2005, then improved and Zhentou became progressively more disconnected. Pol-E-Charkhi and Zhentou have been converging in their street-network character since 1975.