Dera Ghazi Khan 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 Dera Ghazi Khan plotted against Punjab and Pakistan. The SNDi of new construction in Dera Ghazi Khan 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, Dera Ghazi Khan's incremental SNDi rose from 4.0 to 5.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dera Ghazi Khan ranked 93rd out of 146 cities in Punjab and 159th 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?

• Suining, China
• At Ta'if, Saudi Arabia
• Deoria, India
• Kanazawa, Japan
• Zhaoqing, China
• Rizhao, China

In new street additions, Dera Ghazi Khan and Suining both built increasingly disconnected streets over time, while Kanazawa fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Dera Ghazi Khan and Suining have been growing further apart in their street-network character since 1975.