Ambasamudram 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 Ambasamudram plotted against Tamil Nadu and India. The SNDi of new construction in Ambasamudram rose steadily, compared to Tamil Nadu which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Ambasamudram's incremental SNDi rose from 4.74 to 5.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ambasamudram ranked 37th out of 121 cities in Tamil Nadu and 709th 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?

• Poipet, Cambodia
• Mataró, Spain
• Madaoua, Niger
• 해안2동, North Korea
• Raleigh, United States
• Barwani, India

In new street additions, Ambasamudram built increasingly disconnected streets over time, while Poipet fluctuated in its street-construction patterns and 해안2동 built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Ambasamudram and 해안2동 both became progressively more disconnected, while Poipet fluctuated in connectivity. Notably, Ambasamudram had a more connected network than Poipet in 1975 but the two have since reversed their relative ranking.