Contai in context: Street-network sprawl trends

Contai in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
ContaiWest Bengal (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Contai plotted against West Bengal and India. The SNDi of new construction in Contai rose steadily, compared to West Bengal which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Contai's incremental SNDi rose from 4.69 to 6.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Contai ranked 45th out of 140 cities in West Bengal and 1042nd out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
6.22
Rank in India
1421st of 1868
Rank in West Bengal
72nd of 140

Entire Network (Aggregate)

SNDi value
3.94
Rank in India
1042nd of 1868
Rank in West Bengal
45th of 140

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
ContaiLa SerenaAlor Setar

While La Serena and Alor Setar both fluctuated in its street-construction patterns, Contai built increasingly disconnected streets over time in new street additions. For the full network, Contai and Alor Setar both became progressively more disconnected, while La Serena fluctuated in connectivity. Notably, Contai had a more connected network than La Serena in 1975 but the two have since reversed their relative ranking.