Sandwip in context: Street-network sprawl trends

Sandwip in context

5678910<19751976–19901991–20052006–2020SNDi of street additions
5678910<19751976–19901991–20052006–2020SNDi of entire street network
SandwipChittagong (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sandwip plotted against Chittagong and Bangladesh. The SNDi of new construction in Sandwip rose steadily, compared to Chittagong which rose steadily and Bangladesh which followed a zig-zag trend with an overall increase. Most recently, Sandwip's incremental SNDi rose from 7.89 to 9.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sandwip ranked 27th out of 44 cities in Chittagong and 162nd out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
9.21
Rank in Bangladesh
133rd of 234
Rank in Chittagong
18th of 44

Entire Network (Aggregate)

SNDi value
8.1
Rank in Bangladesh
162nd of 234
Rank in Chittagong
27th of 44

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
SandwipDessieKanggye

In new street additions, Sandwip and Dessie both built increasingly disconnected streets over time, while Kanggye built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.