Baisi 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 Baisi plotted against Bihar and India. The SNDi of new construction in Baisi 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, Baisi's incremental SNDi rose from 9.16 to 11.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Baisi ranked 262nd out of 264 cities in Bihar and 1839th 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?

• Qiaojia, China
• Formosa, Brazil
• Pattan, Pakistan
• Al Qoddaba, Egypt
• Ingolstadt, Germany
• Rabor, Iran

In new street additions, Baisi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Qiaojia built increasingly connected streets over time and Al Qoddaba built increasingly disconnected streets over time. For the full network, Baisi became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Qiaojia became progressively more connected and Al Qoddaba became progressively more disconnected.