Nazilli 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 Nazilli plotted against Aydin and Turkey. The SNDi of new construction in Nazilli rose steadily, compared to Aydin which followed a zig-zag trend with an overall increase and Turkey which followed a zig-zag trend with an overall increase. Most recently, Nazilli's incremental SNDi rose from 1.81 to 2.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nazilli ranked 3rd out of 5 cities in Aydin and 33rd out of 174 in Turkey as of 2020.

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

What about similarly populated cities?

• Gadarwara, India
• Ogden, United States
• Malkapur, India
• Wates, Indonesia
• Chiplun, India
• Madhupur, India

In new street additions, Nazilli and Wates both built increasingly disconnected streets over time, while Gadarwara built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. Looking at the full network, Gadarwara and Wates both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Nazilli became progressively more disconnected. Nazilli and Gadarwara have been growing further apart in their street-network character since 1975.