Sangrur 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 Sangrur plotted against Punjab and India. The SNDi of new construction in Sangrur rose steadily, compared to Punjab which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Sangrur's incremental SNDi rose from 3.15 to 3.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sangrur ranked 4th out of 41 cities in Punjab and 260th 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?

• Dutsin Ma, Nigeria
• Torrejón de Ardoz, Spain
• Vosman, South Africa
• Amalapuram, India
• Batticaloa, Sri Lanka
• Yakeshi/Yaysi, China

In new street additions, Sangrur built increasingly disconnected streets over time, while Dutsin Ma built increasingly disconnected streets from 1975 through 1991-2005, then improved and Amalapuram built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Sangrur and Dutsin Ma both became progressively more disconnected, while Amalapuram became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Sangrur and Dutsin Ma have been converging in their street-network character since 1975.