Trishal in context: Street-network sprawl trends

Trishal in context

6912<19751976–19901991–20052006–2020SNDi of street additions
6912<19751976–19901991–20052006–2020SNDi of entire street network
TrishalMymensingh (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Trishal plotted against Mymensingh and Bangladesh. While Mymensingh and Bangladesh both followed a zig-zag trend with an overall increase, Trishal's new street additions followed a zig-zag trend with an overall increase. Most recently, Trishal's incremental SNDi rose from 8.33 to 13.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Trishal ranked 20th out of 24 cities in Mymensingh and 167th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
13.68
Rank in Bangladesh
197th of 234
Rank in Mymensingh
23rd of 24

Entire Network (Aggregate)

SNDi value
8.34
Rank in Bangladesh
167th of 234
Rank in Mymensingh
20th of 24

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
TrishalJinchengjiangPati

In new street additions, Trishal and Pati both fluctuated in its street-construction patterns, while Jinchengjiang built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Jinchengjiang and Pati both became progressively more disconnected, while Trishal fluctuated in connectivity. Trishal and Jinchengjiang have been growing further apart in their street-network character since 1975.