Canning 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 Canning plotted against West Bengal and India. The SNDi of new construction in Canning was at its lowest in 1991-2005, 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, Canning's incremental SNDi rose from 4.43 to 5.42 between 1991-2005 and 2006-2020. In terms of the aggregate network, Canning ranked 70th out of 140 cities in West Bengal and 1435th 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?

• Yazd, Iran
• Jingdezhen, China
• Hathras, India
• Nice, France
• Belfast, United Kingdom
• Manizales, Colombia

In new street additions, Canning and Yazd both built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Nice built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Canning and Yazd both became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Nice became progressively more disconnected. Canning and Nice have been converging in their street-network character since 1975.