Margram 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 Margram plotted against West Bengal and India. The SNDi of new construction in Margram followed a zig-zag trend, 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. In terms of the aggregate network, Margram ranked 2nd out of 140 cities in West Bengal and 56th 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?

• Huangchuan, China
• Sarangpur, India
• Budyonnovsk, Russia
• Safidon, India
• Al `Aziziyah, Saudi Arabia
• Pa Tong, Thailand

In new street additions, Margram fluctuated in its street-construction patterns, while Huangchuan built increasingly disconnected streets over time and Safidon built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Huangchuan and Safidon both became progressively more disconnected, while Margram fluctuated in connectivity. Margram and Huangchuan have been growing further apart in their street-network character since 1975.