Shibpur in context: Street-network sprawl trends

Shibpur in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shibpur plotted against Chittagong and Bangladesh. The SNDi of new construction in Shibpur peaked in 1991-2005, compared to Chittagong which rose steadily and Bangladesh which followed a zig-zag trend with an overall increase. Most recently, Shibpur's incremental SNDi fell from 11.67 to 11.26 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shibpur ranked 32nd out of 44 cities in Chittagong and 187th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
11.26
Rank in Bangladesh
168th of 234
Rank in Chittagong
30th of 44

Entire Network (Aggregate)

SNDi value
9.82
Rank in Bangladesh
187th of 234
Rank in Chittagong
32nd 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
ShibpurXianju CountyDina

In new street additions, Shibpur built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Xianju County fluctuated in its street-construction patterns and Dina fluctuated in its street-construction patterns. For the full network, Shibpur and Dina both became progressively more disconnected, while Xianju County fluctuated in connectivity. Shibpur and Dina have been converging in their street-network character since 1975.