Thoubal 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 Thoubal plotted against Manipur and India. The SNDi of new construction in Thoubal was at its lowest in 1991-2005, compared to Manipur which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Thoubal's incremental SNDi rose from 4.16 to 4.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Thoubal ranked 6th out of 7 cities in Manipur and 1674th 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?

• Huangmei County, China
• Gapan, Philippines
• Quốc Oai, Vietnam
• Nautanwa, India
• Panyabungan, Indonesia
• Digos, Philippines

In new street additions, Thoubal built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Huangmei County built increasingly disconnected streets from 1975 through 1991-2005, then improved and Nautanwa fluctuated in its street-construction patterns. For the full network, Thoubal became progressively more connected, while Huangmei County grew more disconnected from 1975 through 1991-2005, then improved and Nautanwa fluctuated in connectivity. Thoubal and Nautanwa have been growing further apart in their street-network character since 1975.