Paliganj 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 Paliganj plotted against Bihar and India. The SNDi of new construction in Paliganj peaked in 1976-1990, 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, Paliganj's incremental SNDi fell from 2.97 to 0.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Paliganj ranked 27th out of 264 cities in Bihar and 489th 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?

• Fangcheng, China
• Al-Hirah, Iraq
• Jubayt, Sudan
• Aix-en-Provence, France
• Umarkhed, India
• Ise, Japan

In new street additions, Paliganj built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Fangcheng built increasingly disconnected streets from 1975 through 1991-2005, then improved and Aix-en-Provence built increasingly disconnected streets over time. For the full network, Paliganj grew more disconnected from 1975 through 1976-1990, then improved, while Fangcheng grew more disconnected from 1975 through 1991-2005, then improved and Aix-en-Provence became progressively more disconnected. Paliganj and Fangcheng have been growing further apart in their street-network character since 1975.