Sirkazhi in context: Street-network sprawl trends

Sirkazhi in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
SirkazhiTamil Nadu (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sirkazhi plotted against Tamil Nadu and India. The SNDi of new construction in Sirkazhi was at its lowest in 1976-1990, compared to Tamil Nadu which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Sirkazhi's incremental SNDi rose from 3.65 to 4.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sirkazhi ranked 69th out of 121 cities in Tamil Nadu and 1002nd out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.78
Rank in India
933rd of 1868
Rank in Tamil Nadu
53rd of 121

Entire Network (Aggregate)

SNDi value
3.89
Rank in India
1002nd of 1868
Rank in Tamil Nadu
69th of 121

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
SirkazhiAmiensBusisi

In new street additions, Sirkazhi built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Amiens built increasingly disconnected streets from 1975 through 1991-2005, then improved and Busisi fluctuated in its street-construction patterns. For the full network, Sirkazhi became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Amiens grew more disconnected from 1975 through 1991-2005, then improved and Busisi fluctuated in connectivity. Sirkazhi and Busisi have been converging in their street-network character since 1975.