Jhajha 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 Jhajha plotted against Bihar and India. The SNDi of new construction in Jhajha peaked in 1991-2005, 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, Jhajha's incremental SNDi fell from 13.83 to 5.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jhajha ranked 34th out of 264 cities in Bihar and 665th 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?

• Malakwal, Pakistan
• Quva, Uzbekistan
• Akkaraipattu, Sri Lanka
• Soron, India
• Kyzyl, Russia
• Repentigny, Canada

In new street additions, Jhajha built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Malakwal fluctuated in its street-construction patterns and Soron built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Jhajha and Malakwal both became progressively more disconnected, while Soron became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Jhajha and Malakwal have been growing further apart in their street-network character since 1975.