Vezirköprü in context: Street-network sprawl trends

Vezirkopru in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
VezirkopruSamsun (Region)Turkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Vezirköprü plotted against Samsun and Turkey. The SNDi of new construction in Vezirköprü peaked in 1976-1990, compared to Samsun which followed a zig-zag trend with an overall increase and Turkey which followed a zig-zag trend with an overall increase. Most recently, Vezirköprü's incremental SNDi fell from 2.27 to 2.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Vezirköprü ranked 3rd out of 5 cities in Samsun and 121st out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
2.27
Rank in Turkey
88th of 174
Rank in Samsun
4th of 5

Entire Network (Aggregate)

SNDi value
2.42
Rank in Turkey
121st of 174
Rank in Samsun
3rd of 5

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
VezirkopruOued EllilManhuacu

In new street additions, Vezirköprü built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Oued Ellil fluctuated in its street-construction patterns and Manhuaçu built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Oued Ellil and Manhuaçu both became progressively more disconnected, while Vezirköprü grew more disconnected from 1975 through 1976-1990, then improved. Notably, Vezirköprü had a more sprawly network than Oued Ellil in 1975 but the two have since reversed their relative ranking.