Tamluk 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 Tamluk plotted against West Bengal and India. The SNDi of new construction in Tamluk was at its lowest in 1976-1990, 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, Tamluk's incremental SNDi rose from 5.48 to 8.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tamluk ranked 109th out of 140 cities in West Bengal and 1695th 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?

• Lusaka, Zambia
• Kollam, India
• Rome, Italy
• Ouagadougou, Burkina Faso
• Tunis, Tunisia
• Thiruvananthapuram, India

While Lusaka and Ouagadougou both fluctuated in its street-construction patterns, Tamluk built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. Looking at the full network, Lusaka and Ouagadougou both became progressively more disconnected, while Tamluk became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.