Roorkee 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 Roorkee plotted against Uttarakhand and India. The SNDi of new construction in Roorkee rose steadily, compared to Uttarakhand which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Roorkee's incremental SNDi rose from 4.2 to 4.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Roorkee ranked 7th out of 20 cities in Uttarakhand and 1100th 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?

• Shangrao, China
• Port of Spain, Trinidad and Tobago
• Meishan, China
• Niigata, Japan
• Uíge, Angola
• Buram, Sudan

In new street additions, Roorkee built increasingly disconnected streets over time, while Shangrao fluctuated in its street-construction patterns and Niigata built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Roorkee and Shangrao both became progressively more disconnected, while Niigata grew more disconnected from 1975 through 1976-1990, then improved. Roorkee and Shangrao have been growing further apart in their street-network character since 1975.