Akçay 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 Akçay plotted against Balikesir and Turkey. The SNDi of new construction in Akçay was at its lowest in 1976-1990, compared to Balikesir which followed a zig-zag trend with an overall increase and Turkey which followed a zig-zag trend with an overall increase. Most recently, Akçay's incremental SNDi rose from 1.95 to 2.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Akçay ranked 3rd out of 3 cities in Balikesir and 83rd 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?

• Kebuyutan, Indonesia
• Kharik, India
• Punta Alta, Argentina
• Ayteke Bi, Kazakhstan
• Isulan, Philippines
• Sidi Moussa, Algeria

In new street additions, Akçay built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Kebuyutan fluctuated in its street-construction patterns and Ayteke Bi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Akçay became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Kebuyutan grew more disconnected from 1975 through 1976-1990, then improved and Ayteke Bi became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Akçay and Ayteke Bi have been converging in their street-network character since 1975.