Duttapulia 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 Duttapulia plotted against West Bengal and India. The SNDi of new construction in Duttapulia peaked in 1991-2005, 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, Duttapulia's incremental SNDi fell from 5.38 to 4.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Duttapulia ranked 67th out of 140 cities in West Bengal and 1419th 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?

• Puerto Madryn, Argentina
• Keningau, Malaysia
• Kirodimal Nagar, India
• Tsévié, Togo
• Bouira, Algeria
• Yu, China

In new street additions, Duttapulia built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Puerto Madryn fluctuated in its street-construction patterns and Tsévié built increasingly disconnected streets over time. For the full network, Duttapulia and Tsévié both became progressively more disconnected, while Puerto Madryn grew more disconnected from 1975 through 1976-1990, then improved. Duttapulia and Puerto Madryn have been growing further apart in their street-network character since 1975.