Kodaikanal in context: Street-network sprawl trends

Kodaikanal in context

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
KodaikanalTamil Nadu (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kodaikanal plotted against Tamil Nadu and India. The SNDi of new construction in Kodaikanal rose steadily, compared to Tamil Nadu which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Kodaikanal's incremental SNDi rose from 6.7 to 7.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kodaikanal ranked 117th out of 121 cities in Tamil Nadu and 1740th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
7.62
Rank in India
1635th of 1868
Rank in Tamil Nadu
116th of 121

Entire Network (Aggregate)

SNDi value
6.48
Rank in India
1740th of 1868
Rank in Tamil Nadu
117th of 121

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

What about similarly populated cities?

46810<19751976–19901991–20052006–2020SNDi of street additions
46810<19751976–19901991–20052006–2020SNDi of entire street network
KodaikanalMuriaeSiswa Bazar

In new street additions, Kodaikanal built increasingly disconnected streets over time, while Muriaé fluctuated in its street-construction patterns and Siswa Bazar built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Kodaikanal and Muriaé both became progressively more disconnected, while Siswa Bazar became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Kodaikanal and Muriaé have been growing further apart in their street-network character since 1975.