Chaman in context: Street-network sprawl trends
Chaman in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chaman plotted against Kandahar and Afghanistan. The SNDi of new construction in Chaman fell steadily, compared to Kandahar which followed a zig-zag trend with an overall increase and Afghanistan which followed a zig-zag trend with an overall increase. Most recently, Chaman's incremental SNDi fell from 1.93 to 1.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chaman ranked 1st out of 4 cities in Kandahar and 16th out of 73 in Afghanistan as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.45
- Rank in Afghanistan
- 2nd of 73
- Rank in Kandahar
- 1st of 4
Entire Network (Aggregate)
- SNDi value
- 2.73
- Rank in Afghanistan
- 16th of 73
- Rank in Kandahar
- 1st of 4
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Piatra Neamț, Romania
- Ninghua, China
- Nazira, India
- Honjo, Japan
- Gambela, Ethiopia
- Jiaganj Azimganj, India
In new street additions, Chaman built increasingly connected streets over time, while Piatra Neamț built increasingly disconnected streets over time and Honjo built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Chaman became progressively more connected, while Piatra Neamț became progressively more disconnected and Honjo grew more disconnected from 1975 through 1976-1990, then improved. Notably, Chaman had a more sprawly network than Piatra Neamț in 1975 but the two have since reversed their relative ranking.