Talcher 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 Talcher plotted against Odisha and India. While Odisha and India both followed a zig-zag trend with an overall increase, Talcher's new street additions followed a zig-zag trend with an overall increase. Most recently, Talcher's incremental SNDi rose from 3.54 to 4.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Talcher ranked 39th out of 58 cities in Odisha and 1174th 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?

• Nathe Khalsa, Pakistan
• Zhongning, China
• Tongcheng, China
• Palladam, India
• Waterbury, United States
• Nobeoka, Japan

In new street additions, Talcher fluctuated in its street-construction patterns, while Nathe Khalsa built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Palladam built increasingly disconnected streets over time. For the full network, Talcher fluctuated in connectivity, while Nathe Khalsa became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Palladam became progressively more disconnected. Talcher and Nathe Khalsa have been growing further apart in their street-network character since 1975.