Katwa 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 Katwa plotted against West Bengal and India. The SNDi of new construction in Katwa rose steadily, 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, Katwa's incremental SNDi rose from 8.03 to 8.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Katwa ranked 126th out of 140 cities in West Bengal and 1799th 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?

• Fujin, China
• Zhongjiang, China
• Simao, China
• Ngo, Nigeria
• Xinmin, China
• Barrancabermeja, Colombia

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