Chengarchar in context: Street-network sprawl trends

Chengarchar in context

681012<19751976–19901991–20052006–2020SNDi of street additions
681012<19751976–19901991–20052006–2020SNDi of entire street network
ChengarcharChittagong (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chengarchar plotted against Chittagong and Bangladesh. The SNDi of new construction in Chengarchar peaked in 1991-2005, compared to Chittagong which rose steadily and Bangladesh which followed a zig-zag trend with an overall increase. Most recently, Chengarchar's incremental SNDi fell from 11.58 to 11.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chengarchar ranked 33rd out of 44 cities in Chittagong and 196th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
11.2
Rank in Bangladesh
165th of 234
Rank in Chittagong
29th of 44

Entire Network (Aggregate)

SNDi value
10.51
Rank in Bangladesh
196th of 234
Rank in Chittagong
33rd of 44

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
ChengarcharRutshuruZhongxiang

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