Hatsinigmari 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 Hatsinigmari plotted against Assam and India. The SNDi of new construction in Hatsinigmari peaked in 1976-1990, compared to Assam which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Hatsinigmari's incremental SNDi fell from 8.57 to 8.26 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hatsinigmari ranked 64th out of 67 cities in Assam and 1824th 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?

• Wulian, China
• Tandlianwala, Pakistan
• Sobradinho II, Brazil
• Keffi, Nigeria
• Lages, Brazil
• Ayangba, Nigeria

In new street additions, Hatsinigmari built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Wulian built increasingly disconnected streets over time and Keffi built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Hatsinigmari grew more disconnected from 1975 through 1976-1990, then improved, while Wulian became progressively more disconnected and Keffi became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Hatsinigmari and Wulian have been growing further apart in their street-network character since 1975.