Jamuria 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 Jamuria plotted against West Bengal and India. The SNDi of new construction in Jamuria followed a zig-zag trend with an overall increase, compared to West Bengal which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Jamuria's incremental SNDi fell from 4.56 to 3.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jamuria ranked 38th out of 140 cities in West Bengal and 990th 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?

• Ramla, Israel
• Islam Qala, Afghanistan
• Ikotos, South Sudan
• Masiphumelele, South Africa
• Ambanja, Madagascar
• Xingbieying, China

In new street additions, Jamuria fluctuated in its street-construction patterns, while Ramla built increasingly disconnected streets from 1975 through 1991-2005, then improved and Masiphumelele built increasingly disconnected streets over time. Looking at the full network, Ramla and Masiphumelele both became progressively more disconnected, while Jamuria fluctuated in connectivity. Notably, Jamuria had a more sprawly network than Masiphumelele in 1975 but the two have since reversed their relative ranking.