Pach Pakri 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 Pach Pakri plotted against Bihar and India. The SNDi of new construction in Pach Pakri was at its lowest in 1991-2005, compared to Bihar which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Pach Pakri's incremental SNDi rose from 7.49 to 9.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pach Pakri ranked 258th out of 264 cities in Bihar and 1829th out of 1868 in India as of 2020.

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

What about similarly populated cities?

• Pelaihari, Indonesia
• Tunchang County, China
• Shiheng, China
• شبراويش, Egypt
• Zhongyang, China
• Anchal, India

In new street additions, Pach Pakri built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Pelaihari built increasingly disconnected streets over time and شبراويش built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Pach Pakri became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Pelaihari became progressively more disconnected and شبراويش became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Pach Pakri and شبراويش have been converging in their street-network character since 1975.