Dadhapi 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 Dadhapi plotted against Bihar and India. The SNDi of new construction in Dadhapi followed a zig-zag trend with an overall decrease, compared to Bihar which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Dadhapi's incremental SNDi fell from 7.69 to 6.01 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dadhapi ranked 248th out of 264 cities in Bihar and 1777th 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?

• Kraljevo, Serbia
• Metu, Ethiopia
• Chania, Greece
• Sagbama, Nigeria
• Walvis Bay, Namibia
• Sabanalarga, Colombia

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