Nankana Sahib in context: Street-network sprawl trends
Nankana Sahib in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nankana Sahib plotted against Punjab and Pakistan. The SNDi of new construction in Nankana Sahib rose steadily, compared to Punjab which followed a zig-zag trend with an overall increase and Pakistan which followed a zig-zag trend with an overall increase. Most recently, Nankana Sahib's incremental SNDi rose from 3.22 to 4.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nankana Sahib ranked 19th out of 146 cities in Punjab and 37th out of 292 in Pakistan as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.22
- Rank in Pakistan
- 105th of 292
- Rank in Punjab
- 64th of 146
Entire Network (Aggregate)
- SNDi value
- 2.89
- Rank in Pakistan
- 37th of 292
- Rank in Punjab
- 19th of 146
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Yiyuan, China
- Heraklion, Greece
- Dhenkanal, India
- Singkawang, Indonesia
- Puerto Princesa, Philippines
- Zixing, China
In new street additions, Nankana Sahib and Singkawang both built increasingly disconnected streets over time, while Yiyuan fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Nankana Sahib and Yiyuan have been converging in their street-network character since 1975.