Manikchak 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 Manikchak plotted against West Bengal and India. The SNDi of new construction in Manikchak was at its lowest in 1976-1990, 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, Manikchak's incremental SNDi rose from 5.05 to 6.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Manikchak ranked 84th out of 140 cities in West Bengal and 1566th 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?

• Habra, India
• Laizhou, China
• Lausanne, Switzerland
• Tokushima, Japan
• Korhogo, Côte d'Ivoire
• Hai'an, China

In new street additions, Manikchak and Habra both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Tokushima fluctuated in its street-construction patterns. For the full network, Manikchak and Habra both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Tokushima became progressively more disconnected. Manikchak and Habra have been converging in their street-network character since 1975.