Banshkhali in context: Street-network sprawl trends

Banshkhali in context

481216<19751976–19901991–20052006–2020SNDi of street additions
481216<19751976–19901991–20052006–2020SNDi of entire street network
BanshkhaliChittagong (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Banshkhali plotted against Chittagong and Bangladesh. While Chittagong and Bangladesh both followed a zig-zag trend with an overall increase, Banshkhali's new street additions followed a zig-zag trend with an overall increase. Most recently, Banshkhali's incremental SNDi rose from 17.17 to 17.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Banshkhali ranked 44th out of 44 cities in Chittagong and 233rd out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
17.77
Rank in Bangladesh
217th of 234
Rank in Chittagong
40th of 44

Entire Network (Aggregate)

SNDi value
17.55
Rank in Bangladesh
233rd of 234
Rank in Chittagong
44th of 44

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

What about similarly populated cities?

05101520<19751976–19901991–20052006–2020SNDi of street additions
05101520<19751976–19901991–20052006–2020SNDi of entire street network
BanshkhaliSay'unBidhuna

In new street additions, Banshkhali fluctuated in its street-construction patterns, while Say'un fluctuated in its street-construction patterns and Bidhuna built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Banshkhali fluctuated in connectivity, while Say'un became progressively more disconnected and Bidhuna became progressively more disconnected.