Viluppuram in context: Street-network sprawl trends

Viluppuram in context

3.544.55<19751976–19901991–20052006–2020SNDi of street additions
3.544.55<19751976–19901991–20052006–2020SNDi of entire street network
ViluppuramTamil Nadu (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Viluppuram plotted against Tamil Nadu and India. The SNDi of new construction in Viluppuram rose steadily, compared to Tamil Nadu which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Viluppuram's incremental SNDi rose from 3.69 to 3.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Viluppuram ranked 48th out of 121 cities in Tamil Nadu and 822nd out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
3.88
Rank in India
548th of 1868
Rank in Tamil Nadu
20th of 121

Entire Network (Aggregate)

SNDi value
3.6
Rank in India
822nd of 1868
Rank in Tamil Nadu
48th of 121

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
ViluppuramKralporaThoothukudi

Viluppuram, Kralpora, and Thoothukudi all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Viluppuram and Kralpora have been growing further apart in their street-network character since 1975.