Roh 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 Roh plotted against Bihar and India. The SNDi of new construction in Roh followed a zig-zag trend, 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. In terms of the aggregate network, Roh ranked 6th out of 264 cities in Bihar and 54th 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?

• Wołomin, Poland
• Huining, China
• Irecê, Brazil
• Zaranj, Afghanistan
• Midelt, Morocco
• Ukunda, Kenya

In new street additions, Roh fluctuated in its street-construction patterns, while Wołomin built increasingly disconnected streets over time and Zaranj built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Roh fluctuated in connectivity, while Wołomin became progressively more disconnected and Zaranj became progressively more connected.