Devada 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 Devada plotted against Andhra Pradesh and India. The SNDi of new construction in Devada peaked in 1976-1990, compared to Andhra Pradesh which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Devada's incremental SNDi fell from 0.65 to 0.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Devada ranked 1st out of 91 cities in Andhra Pradesh and 6th 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?

• Ad Dala, Yemen
• Shuangliao, China
• Jixian, China
• Binchuan, China
• Dhoraji, India
• Kalaspur, India

In new street additions, Devada built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Ad Dala built increasingly disconnected streets from 1975 through 1991-2005, then improved and Binchuan built increasingly disconnected streets over time. Looking at the full network, Ad Dala and Binchuan both became progressively more disconnected, while Devada grew more disconnected from 1975 through 1991-2005, then improved.