Jalpaiguri in context: Street-network sprawl trends

Jalpaiguri in context

2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
JalpaiguriWest Bengal (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jalpaiguri plotted against West Bengal and India. The SNDi of new construction in Jalpaiguri rose steadily, compared to West Bengal which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Jalpaiguri's incremental SNDi rose from 3.36 to 4.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jalpaiguri ranked 28th out of 140 cities in West Bengal and 823rd out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.44
Rank in India
779th of 1868
Rank in West Bengal
18th of 140

Entire Network (Aggregate)

SNDi value
3.6
Rank in India
823rd of 1868
Rank in West Bengal
28th of 140

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

What about similarly populated cities?

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
JalpaiguriLonggangFlorianopolis

In new street additions, Jalpaiguri and Florianópolis both built increasingly disconnected streets over time, while Longgang fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Notably, Jalpaiguri had a more sprawly network than Florianópolis in 1975 but the two have since reversed their relative ranking.