Savar in context: Street-network sprawl trends

Savar in context

5678<19751976–19901991–20052006–2020SNDi of street additions
5678<19751976–19901991–20052006–2020SNDi of entire street network
SavarDhaka (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Savar plotted against Dhaka and Bangladesh. The SNDi of new construction in Savar peaked 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, Savar's incremental SNDi fell from 5.18 to 5.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Savar ranked 13th out of 40 cities in Dhaka and 89th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
5.06
Rank in Bangladesh
38th of 234
Rank in Dhaka
6th of 40

Entire Network (Aggregate)

SNDi value
5.47
Rank in Bangladesh
89th of 234
Rank in Dhaka
13th of 40

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

What about similarly populated cities?

3.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
3.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
SavarKalyan-DombivliP'yongyang

In new street additions, Savar built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kalyan-Dombivli fluctuated in its street-construction patterns and P'yŏngyang built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Kalyan-Dombivli and P'yŏngyang both became progressively more disconnected, while Savar grew more disconnected from 1975 through 1976-1990, then improved. Savar and P'yŏngyang have been converging in their street-network character since 1975.