Shaistaganj 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 Shaistaganj plotted against Sylhet and Bangladesh. The SNDi of new construction in Shaistaganj peaked in 1991-2005, compared to Sylhet which rose steadily and Bangladesh which followed a zig-zag trend with an overall increase. Most recently, Shaistaganj's incremental SNDi fell from 3.9 to 3.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shaistaganj ranked 1st out of 24 cities in Sylhet and 11th out of 234 in Bangladesh as of 2020.

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

• Lili, China
• Anantnag, Jammu and Kashmir
• Irgalem, Ethiopia
• Biskra, Algeria
• Chidambaram, India
• Amarpur, India

In new street additions, Shaistaganj built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Lili built increasingly disconnected streets from 1975 through 1976-1990, then improved and Biskra built increasingly connected streets over time. For the full network, Shaistaganj became progressively more disconnected, while Lili grew more disconnected from 1975 through 1976-1990, then improved and Biskra became progressively more connected. Shaistaganj and Biskra have been growing further apart in their street-network character since 1975.