Kochi in context: Street-network sprawl trends

Kochi in context

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
KochiKerala (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kochi plotted against Kerala and India. The SNDi of new construction in Kochi rose steadily, compared to Kerala which was at its lowest in 1976-1990 and India which followed a zig-zag trend with an overall increase. Most recently, Kochi's incremental SNDi rose from 5.9 to 6.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kochi ranked 33rd out of 48 cities in Kerala and 1605th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
6.87
Rank in India
1548th of 1868
Rank in Kerala
38th of 48

Entire Network (Aggregate)

SNDi value
5.45
Rank in India
1605th of 1868
Rank in Kerala
33rd of 48

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
KochiSanto DomingoJeddah

In new street additions, Kochi and Jeddah both built increasingly disconnected streets over time, while Santo Domingo fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Kochi and Jeddah have been growing further apart in their street-network character since 1975.