Kayalpattinam in context: Street-network sprawl trends

Kayalpattinam in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
KayalpattinamTamil Nadu (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kayalpattinam plotted against Tamil Nadu and India. The SNDi of new construction in Kayalpattinam rose steadily, compared to Tamil Nadu which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Kayalpattinam's incremental SNDi rose from 6.1 to 7.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kayalpattinam ranked 85th out of 121 cities in Tamil Nadu and 1128th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
7.31
Rank in India
1602nd of 1868
Rank in Tamil Nadu
111th of 121

Entire Network (Aggregate)

SNDi value
4.11
Rank in India
1128th of 1868
Rank in Tamil Nadu
85th 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
KayalpattinamBut SonLarnaca

Kayalpattinam, Bút Sơn, and Larnaca all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Notably, Kayalpattinam had a more connected network than Bút Sơn in 1975 but the two have since reversed their relative ranking.