Karur in context: Street-network sprawl trends

Karur in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
KarurTamil Nadu (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Karur plotted against Tamil Nadu and India. The SNDi of new construction in Karur rose steadily, compared to Tamil Nadu which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Karur's incremental SNDi rose from 3.51 to 4.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Karur ranked 34th out of 121 cities in Tamil Nadu and 677th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.12
Rank in India
635th of 1868
Rank in Tamil Nadu
25th of 121

Entire Network (Aggregate)

SNDi value
3.37
Rank in India
677th of 1868
Rank in Tamil Nadu
34th of 121

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
KarurSaranskCenturion

In new street additions, Karur and Saransk both built increasingly disconnected streets over time, while Centurion built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Karur and Saransk have been growing further apart in their street-network character since 1975.