Pattan in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pattan plotted against Khyber-Pakhtunkhwa and Pakistan. The SNDi of new construction in Pattan was at its lowest in 1976-1990, compared to Khyber-Pakhtunkhwa which followed a zig-zag trend with an overall increase and Pakistan which followed a zig-zag trend with an overall increase. Most recently, Pattan's incremental SNDi rose from 6.47 to 8.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pattan ranked 54th out of 67 cities in Khyber-Pakhtunkhwa and 275th out of 292 in Pakistan as of 2020.

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

What about similarly populated cities?

• Ciudad de la Costa, Uruguay
• Yamaguchi, Japan
• Satar Halt, India
• Formosa, Brazil
• Qiaojia, China
• Baisi, India

In new street additions, Pattan built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Ciudad de la Costa built increasingly disconnected streets over time and Formosa fluctuated in its street-construction patterns. For the full network, Pattan became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Ciudad de la Costa became progressively more disconnected and Formosa fluctuated in connectivity.