Dhulian 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 Dhulian plotted against West Bengal and India. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dhulian's incremental SNDi rose from 5.79 to 7.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dhulian ranked 119th out of 140 cities in West Bengal and 1766th 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?

• Pekalongan, Indonesia
• N'Djamena, Chad
• Wuhu, China
• Kishoreganj, Bangladesh
• Cixi, China
• Erbil, Iraq

In new street additions, Dhulian and Kishoreganj both fluctuated in its street-construction patterns, while Pekalongan built increasingly disconnected streets over time. Looking at the full network, Pekalongan and Kishoreganj both became progressively more disconnected, while Dhulian fluctuated in connectivity. Dhulian and Kishoreganj have been growing further apart in their street-network character since 1975.