Pangsha in context: Street-network sprawl trends

Pangsha in context

4681012<19751976–19901991–20052006–2020SNDi of street additions
4681012<19751976–19901991–20052006–2020SNDi of entire street network
PangshaDhaka (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pangsha plotted against Dhaka and Bangladesh. The SNDi of new construction in Pangsha was at its lowest in 1976-1990, compared to Dhaka which followed a zig-zag trend with an overall increase and Bangladesh which followed a zig-zag trend with an overall increase. Most recently, Pangsha's incremental SNDi rose from 6.43 to 11.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pangsha ranked 17th out of 40 cities in Dhaka and 103rd out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
11.87
Rank in Bangladesh
177th of 234
Rank in Dhaka
31st of 40

Entire Network (Aggregate)

SNDi value
5.89
Rank in Bangladesh
103rd of 234
Rank in Dhaka
17th of 40

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
PangshaGulistanTiancheng

In new street additions, Pangsha built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Gulistan fluctuated in its street-construction patterns and Tiancheng built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Gulistan and Tiancheng both became progressively more disconnected, while Pangsha became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Pangsha and Gulistan have been converging in their street-network character since 1975.