Gandhinagar in context: Street-network sprawl trends

Gandhinagar in context

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
GandhinagarGujarat (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gandhinagar plotted against Gujarat and India. While Gujarat and India both followed a zig-zag trend with an overall increase, Gandhinagar's new street additions followed a zig-zag trend with an overall increase. Most recently, Gandhinagar's incremental SNDi rose from 2.88 to 3.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gandhinagar ranked 29th out of 92 cities in Gujarat and 493rd out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
3.68
Rank in India
462nd of 1868
Rank in Gujarat
22nd of 92

Entire Network (Aggregate)

SNDi value
3.05
Rank in India
493rd of 1868
Rank in Gujarat
29th of 92

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
GandhinagarDivinopolisArani

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