Austagram in context: Street-network sprawl trends

Austagram in context

45678<19751976–19901991–20052006–2020SNDi of street additions
45678<19751976–19901991–20052006–2020SNDi of entire street network
AustagramDhaka (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Austagram plotted against Dhaka and Bangladesh. The SNDi of new construction in Austagram followed a zig-zag trend with an overall increase, 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. In terms of the aggregate network, Austagram ranked 4th out of 40 cities in Dhaka and 36th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
4.85
Rank in Bangladesh
33rd of 234
Rank in Dhaka
4th of 40

Entire Network (Aggregate)

SNDi value
3.93
Rank in Bangladesh
36th of 234
Rank in Dhaka
4th of 40

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
AustagramFosforitnyiShengzhou City

In new street additions, Austagram fluctuated in its street-construction patterns, while Фосфоритный built increasingly disconnected streets from 1975 through 1991-2005, then improved and Shengzhou City fluctuated in its street-construction patterns. For the full network, Austagram grew more disconnected from 1975 through 1976-1990, then improved, while Фосфоритный became progressively more disconnected and Shengzhou City fluctuated in connectivity. Notably, Austagram had a more sprawly network than Фосфоритный in 1975 but the two have since reversed their relative ranking.