Thiruvananthapuram in context: Street-network sprawl trends

Thiruvananthapuram in context

44.85.66.4<19751976–19901991–20052006–2020SNDi of street additions
44.85.66.4<19751976–19901991–20052006–2020SNDi of entire street network
ThiruvananthapuramKerala (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Thiruvananthapuram plotted against Kerala and India. The SNDi of new construction in Thiruvananthapuram 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, Thiruvananthapuram's incremental SNDi rose from 4.58 to 5.23 between 1991-2005 and 2006-2020. In terms of the aggregate network, Thiruvananthapuram ranked 14th out of 48 cities in Kerala and 1313th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
5.23
Rank in India
1124th of 1868
Rank in Kerala
7th of 48

Entire Network (Aggregate)

SNDi value
4.49
Rank in India
1313th of 1868
Rank in Kerala
14th of 48

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
ThiruvananthapuramTunisHyderabad

In new street additions, Thiruvananthapuram and Hyderabad both built increasingly disconnected streets over time, while Tunis fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.