Keskin 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 Keskin plotted against Kinkkale and Turkey. The SNDi of new construction in Keskin followed a zig-zag trend with an overall decrease, compared to Kinkkale which was at its lowest in 1976-1990 and Turkey which followed a zig-zag trend with an overall increase. Most recently, Keskin's incremental SNDi fell from 5.61 to 2.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Keskin ranked 1st out of 1 cities in Kinkkale and 150th 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?

• Lynn, United States
• Syzran, Russia
• Rajim, India
• Muglad, Sudan
• Konso, Ethiopia
• Saarbruecken, Germany

In new street additions, Keskin fluctuated in its street-construction patterns, while Lynn built increasingly disconnected streets from 1975 through 1976-1990, then improved and Muglad built increasingly disconnected streets over time. Looking at the full network, Lynn and Muglad both became progressively more disconnected, while Keskin became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Keskin and Lynn have been growing further apart in their street-network character since 1975.