Kottayam in context: Street-network sprawl trends
Kottayam in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kottayam plotted against Kerala and India. The SNDi of new construction in Kottayam 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, Kottayam's incremental SNDi rose from 4.75 to 5.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kottayam ranked 11th out of 48 cities in Kerala and 1270th out of 1868 in India as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.62
- Rank in India
- 1257th of 1868
- Rank in Kerala
- 14th of 48
Entire Network (Aggregate)
- SNDi value
- 4.4
- Rank in India
- 1270th of 1868
- Rank in Kerala
- 11th of 48
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Dublin, Ireland
- Suhaj, Egypt
- Tainan, Taiwan
- João Pessoa, Brazil
- San Luis Potosí, México
- Al-Najaf, Iraq
In new street additions, Kottayam built increasingly disconnected streets over time, while Dublin built increasingly disconnected streets from 1975 through 1991-2005, then improved and João Pessoa fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.