Udharbond 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 Udharbond plotted against Assam and India. The SNDi of new construction in Udharbond peaked in 1991-2005, compared to Assam which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Udharbond's incremental SNDi fell from 7.62 to 7.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Udharbond ranked 57th out of 67 cities in Assam and 1734th 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?

• Altay, China
• Shiroro, Nigeria
• Reigate, United Kingdom
• Barakin Gangare, Nigeria
• Pulwama, Jammu and Kashmir
• San Carlos, Philippines

In new street additions, Udharbond built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Altay fluctuated in its street-construction patterns and Barakin Gangare built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Udharbond became progressively more disconnected, while Altay became progressively more connected and Barakin Gangare grew more disconnected from 1975 through 1976-1990, then improved. Notably, Udharbond had a more connected network than Altay in 1975 but the two have since reversed their relative ranking.