Pattamundai 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 Pattamundai plotted against Odisha and India. The SNDi of new construction in Pattamundai peaked in 1991-2005, compared to Odisha which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Pattamundai's incremental SNDi fell from 4.63 to 4.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pattamundai ranked 36th out of 58 cities in Odisha and 1033rd 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?

• Neral, India
• Sathupally, India
• Qingping, China
• Zaraza, Venezuela
• Ninh Binh, Vietnam
• Pekkabata, Indonesia

In new street additions, Pattamundai built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Neral built increasingly disconnected streets over time and Zaraza fluctuated in its street-construction patterns. For the full network, Pattamundai and Neral both became progressively more disconnected, while Zaraza fluctuated in connectivity. Notably, Pattamundai had a more connected network than Zaraza in 1975 but the two have since reversed their relative ranking.