Sahebpur Kamal 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 Sahebpur Kamal plotted against Bihar and India. The SNDi of new construction in Sahebpur Kamal peaked 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, Sahebpur Kamal's incremental SNDi fell from 5.89 to 5.4 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sahebpur Kamal ranked 170th out of 264 cities in Bihar and 1484th 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?

• Hurghada, Egypt
• Kon Tum, Vietnam
• Jayapura, Indonesia
• Manigachhi, India
• Shahapur, India
• Gobichettipalayam, India

In new street additions, Sahebpur Kamal built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Hurghada built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Manigachhi built increasingly disconnected streets over time. For the full network, Sahebpur Kamal and Manigachhi both became progressively more disconnected, while Hurghada became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Sahebpur Kamal and Hurghada have been growing further apart in their street-network character since 1975.