Mansurchak 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 Mansurchak plotted against Bihar and India. The SNDi of new construction in Mansurchak 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, Mansurchak's incremental SNDi fell from 5.62 to 5.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mansurchak ranked 167th out of 264 cities in Bihar and 1476th 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?

• Dera Ismail Khan, Pakistan
• Jijiga, Ethiopia
• Jakdo-dong, North Korea
• Massawa, Eritrea
• Wuqing, China
• Guankou, China

In new street additions, Mansurchak built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Dera Ismail Khan fluctuated in its street-construction patterns and Massawa built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Mansurchak became progressively more disconnected, while Dera Ismail Khan fluctuated in connectivity and Massawa became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Mansurchak had a more connected network than Massawa in 1975 but the two have since reversed their relative ranking.