Swarupnagar 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 Swarupnagar plotted against West Bengal and India. The SNDi of new construction in Swarupnagar 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, Swarupnagar's incremental SNDi rose from 6.73 to 7.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Swarupnagar ranked 118th out of 140 cities in West Bengal and 1763rd 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?

• Oka-Akoko, Nigeria
• Idku, Egypt
• Kayanza, Burundi
• Kangdong, North Korea
• Pengshui, China
• Luhe, China

In new street additions, Swarupnagar and Kangdong both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Oka-Akoko built increasingly disconnected streets over time. For the full network, Swarupnagar and Kangdong both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Oka-Akoko became progressively more disconnected. Notably, Swarupnagar had a more sprawly network than Kangdong in 1975 but the two have since reversed their relative ranking.