Bilimora 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 Bilimora plotted against Gujarat and India. The SNDi of new construction in Bilimora rose steadily, compared to Gujarat which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Bilimora's incremental SNDi rose from 5.56 to 5.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bilimora ranked 74th out of 92 cities in Gujarat and 1406th 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?

• Heping, China
• Morrumbala, Mozambique
• Kızıltepe, Turkey
• Ohafia, Nigeria
• Suratgarh, India
• Kapashia, Bangladesh

In new street additions, Bilimora built increasingly disconnected streets over time, while Heping fluctuated in its street-construction patterns and Ohafia built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Bilimora and Ohafia both became progressively more disconnected, while Heping became progressively more connected. Notably, Bilimora had a more connected network than Heping in 1975 but the two have since reversed their relative ranking.