Nasriganj 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 Nasriganj plotted against Bihar and India. The SNDi of new construction in Nasriganj peaked 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, Nasriganj's incremental SNDi fell from 5.67 to 4.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nasriganj ranked 182nd out of 264 cities in Bihar and 1520th 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?

• Xinning, China
• Kandi, Benin
• Yixian, China
• Leeuwarden, Netherlands
• Cumbaya, Ecuador
• Ngawi, Indonesia

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