Didim in context: Street-network sprawl trends

Didim in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
DidimAydin (Region)Turkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Didim plotted against Aydin and Turkey. The SNDi of new construction in Didim peaked in 1976-1990, 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, Didim's incremental SNDi fell from 1.39 to 1.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Didim ranked 2nd out of 5 cities in Aydin and 13th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
1.37
Rank in Turkey
6th of 174
Rank in Aydin
1st of 5

Entire Network (Aggregate)

SNDi value
1.39
Rank in Turkey
13th of 174
Rank in Aydin
2nd of 5

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
DidimNkwantaMutombo-Lamata

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