Kalmunai in context: Street-network sprawl trends
Kalmunai in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kalmunai plotted against Ampara and Sri Lanka. The SNDi of new construction in Kalmunai peaked in 1991-2005, compared to Ampara which rose steadily and Sri Lanka which rose steadily. Most recently, Kalmunai's incremental SNDi fell from 3.08 to 3.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kalmunai ranked 1st out of 3 cities in Ampara and 1st out of 21 in Sri Lanka as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.03
- Rank in Sri Lanka
- 1st of 21
- Rank in Ampara
- 1st of 3
Entire Network (Aggregate)
- SNDi value
- 1.89
- Rank in Sri Lanka
- 1st of 21
- Rank in Ampara
- 1st of 3
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Al-Gharaq, Egypt
- Tiancheng, China
- Pangsha, Bangladesh
- Gummidipundi, India
- Jerash, Jordan
- Xincai, China
In new street additions, Kalmunai and Gummidipundi both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Al-Gharaq fluctuated in its street-construction patterns. For the full network, Kalmunai became progressively more disconnected, while Al-Gharaq fluctuated in connectivity and Gummidipundi grew more disconnected from 1975 through 1991-2005, then improved.