Dhaka in context: Street-network sprawl trends

Dhaka in context

46810<19751976–19901991–20052006–2020SNDi of street additions
46810<19751976–19901991–20052006–2020SNDi of entire street network
DhakaChittagong (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dhaka plotted against Chittagong and Bangladesh. While Chittagong and Bangladesh both followed a zig-zag trend with an overall increase, Dhaka's new street additions followed a zig-zag trend with an overall increase. Most recently, Dhaka's incremental SNDi rose from 6.25 to 7.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dhaka ranked 12th out of 44 cities in Chittagong and 97th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
7.27
Rank in Bangladesh
99th of 234
Rank in Chittagong
12th of 44

Entire Network (Aggregate)

SNDi value
5.64
Rank in Bangladesh
97th of 234
Rank in Chittagong
12th of 44

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
DhakaTokyoNew Delhi

In new street additions, Dhaka and Tokyo both fluctuated in its street-construction patterns, while New Delhi built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Dhaka and Tokyo have been growing further apart in their street-network character since 1975.