Narhat 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 Narhat plotted against Bihar and India. The SNDi of new construction in Narhat was at its lowest in 1991-2005, 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. Most recently, Narhat's incremental SNDi rose from 2.82 to 13.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Narhat ranked 255th out of 264 cities in Bihar and 1812th 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?

• Aldershot, United Kingdom
• Devarakonda, India
• Trnava, Slovakia
• Barhaj, India
• Unryul, North Korea
• Tierralta, Colombia

In new street additions, Narhat built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Aldershot fluctuated in its street-construction patterns and Barhaj fluctuated in its street-construction patterns. For the full network, Narhat became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Aldershot became progressively more disconnected and Barhaj fluctuated in connectivity. Narhat and Aldershot have been converging in their street-network character since 1975.