Sirajganj in context: Street-network sprawl trends

Sirajganj in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sirajganj plotted against Rajshahi and Bangladesh. The SNDi of new construction in Sirajganj rose steadily, compared to Rajshahi which followed a zig-zag trend with an overall increase and Bangladesh which followed a zig-zag trend with an overall increase. Most recently, Sirajganj's incremental SNDi rose from 11.68 to 12.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sirajganj ranked 32nd out of 37 cities in Rajshahi and 189th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
12.97
Rank in Bangladesh
189th of 234
Rank in Rajshahi
24th of 37

Entire Network (Aggregate)

SNDi value
9.83
Rank in Bangladesh
189th of 234
Rank in Rajshahi
32nd of 37

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
SirajganjKedgaonRohtak

In new street additions, Sirajganj built increasingly disconnected streets over time, while Kedgaon fluctuated in its street-construction patterns and Rohtak built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Sirajganj and Rohtak both became progressively more disconnected, while Kedgaon fluctuated in connectivity. Sirajganj and Kedgaon have been growing further apart in their street-network character since 1975.