Simri 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 Simri plotted against Bihar and India. The SNDi of new construction in Simri 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, Simri's incremental SNDi fell from 4.64 to 4.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Simri ranked 64th out of 264 cities in Bihar and 1001st 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?

• Gombi, Nigeria
• Limoges, France
• Shizhu, China
• Sinpho, North Korea
• Yangcheng, China
• Dajindian, China

In new street additions, Simri and Sinpho both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Gombi built increasingly disconnected streets over time. For the full network, Simri and Gombi both became progressively more disconnected, while Sinpho grew more disconnected from 1975 through 1991-2005, then improved. Simri and Sinpho have been converging in their street-network character since 1975.