Kanhangad in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kanhangad plotted against Kerala and India. The SNDi of new construction in Kanhangad was at its lowest in 1976-1990, 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, Kanhangad's incremental SNDi rose from 4.5 to 5.48 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kanhangad ranked 10th out of 48 cities in Kerala and 1168th out of 1868 in India as of 2020.

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

What about similarly populated cities?

• Tanjung Pinang, Indonesia
• Nanlingchengcun, China
• Aqaba, Jordan
• Mongu, Zambia
• Corumbá, Brazil
• San Pedro Carchá, Guatemala

In new street additions, Kanhangad built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Tanjung Pinang built increasingly disconnected streets from 1975 through 1976-1990, then improved and Mongu fluctuated in its street-construction patterns. For the full network, Kanhangad became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Tanjung Pinang grew more disconnected from 1975 through 1991-2005, then improved and Mongu grew more disconnected from 1975 through 1976-1990, then improved. Kanhangad and Tanjung Pinang have been growing further apart in their street-network character since 1975.