Polashbari in context: Street-network sprawl trends

Polashbari in context

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
PolashbariRangpur (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Polashbari plotted against Rangpur and Bangladesh. The SNDi of new construction in Polashbari followed a zig-zag trend, compared to Rangpur which rose steadily and Bangladesh which followed a zig-zag trend with an overall increase. In terms of the aggregate network, Polashbari ranked 3rd out of 30 cities in Rangpur and 12th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
N/A

Entire Network (Aggregate)

SNDi value
2.92
Rank in Bangladesh
12th of 234
Rank in Rangpur
3rd of 30

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
PolashbariMadarganjShadegan

In new street additions, Polashbari fluctuated in its street-construction patterns, while Madarganj fluctuated in its street-construction patterns and Shadegan built increasingly disconnected streets over time. For the full network, Polashbari became progressively more disconnected, while Madarganj became progressively more connected and Shadegan became progressively more disconnected. Notably, Polashbari had a more connected network than Shadegan in 1975 but the two have since reversed their relative ranking.