New Delhi in context: Street-network sprawl trends

New Delhi 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
New DelhiNCT of Delhi (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with New Delhi plotted against NCT of Delhi and India. The SNDi of new construction in New Delhi rose steadily, compared to NCT of Delhi which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, New Delhi's incremental SNDi rose from 3.65 to 4.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, New Delhi ranked 1st out of 2 cities in NCT of Delhi and 593rd out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.49
Rank in India
801st of 1868
Rank in NCT of Delhi
2nd of 2

Entire Network (Aggregate)

SNDi value
3.23
Rank in India
593rd of 1868
Rank in NCT of Delhi
1st of 2

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
New DelhiDhakaShanghai

In new street additions, New Delhi and Shanghai both built increasingly disconnected streets over time, while Dhaka fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. New Delhi and Dhaka have been growing further apart in their street-network character since 1975.