Machilipatnam 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 Machilipatnam plotted against Andhra Pradesh and India. The SNDi of new construction in Machilipatnam peaked in 1991-2005, compared to Andhra Pradesh which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Machilipatnam's incremental SNDi fell from 3.28 to 3.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Machilipatnam ranked 16th out of 91 cities in Andhra Pradesh and 289th 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?

• Tongliang, China
• Pingyi, China
• Swindon, United Kingdom
• Trieste, Italy
• Beni Mazar, Egypt
• Wheaton, United States

In new street additions, Machilipatnam built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Tongliang built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Trieste fluctuated in its street-construction patterns. For the full network, Machilipatnam and Trieste both became progressively more disconnected, while Tongliang became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Machilipatnam had a more connected network than Tongliang in 1975 but the two have since reversed their relative ranking.