Dehradun in context: Street-network sprawl trends

Dehradun in context

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
DehradunUttarakhand (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dehradun plotted against Uttarakhand and India. The SNDi of new construction in Dehradun rose steadily, compared to Uttarakhand which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Dehradun's incremental SNDi rose from 5.88 to 6.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dehradun ranked 16th out of 20 cities in Uttarakhand and 1681st out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
6.89
Rank in India
1553rd of 1868
Rank in Uttarakhand
18th of 20

Entire Network (Aggregate)

SNDi value
5.91
Rank in India
1681st of 1868
Rank in Uttarakhand
16th of 20

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
DehradunCopenhagenYichang

In new street additions, Dehradun and Copenhagen both built increasingly disconnected streets over time, while Yichang built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Dehradun and Copenhagen have been growing further apart in their street-network character since 1975.