Talagang 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 Talagang plotted against Punjab and Pakistan. The SNDi of new construction in Talagang peaked in 1991-2005, 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, Talagang's incremental SNDi fell from 4.64 to 4.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Talagang ranked 94th out of 146 cities in Punjab and 160th 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?

• Lujiang, China
• Xiaoxian, China
• Goroimari, India
• Islampur, India
• Yingshan, China
• Deqing, China

In new street additions, Talagang built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Lujiang fluctuated in its street-construction patterns and Islampur built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Talagang became progressively more disconnected, while Lujiang became progressively more connected and Islampur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Talagang had a more connected network than Islampur in 1975 but the two have since reversed their relative ranking.