Ayang in context: Street-network sprawl trends

Ayang in context

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
AyangGyeongsangnam-do (Region)South Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ayang plotted against Gyeongsangnam-do and South Korea. The SNDi of new construction in Ayang rose steadily, compared to Gyeongsangnam-do which followed a zig-zag trend with an overall increase and South Korea which followed a zig-zag trend with an overall increase. Most recently, Ayang's incremental SNDi rose from 2.5 to 3.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ayang ranked 6th out of 10 cities in Gyeongsangnam-do and 33rd out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
3.76
Rank in South Korea
46th of 49
Rank in Gyeongsangnam-do
9th of 10

Entire Network (Aggregate)

SNDi value
2.08
Rank in South Korea
33rd of 49
Rank in Gyeongsangnam-do
6th of 10

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
AyangPandaveswarNovara

In new street additions, Ayang built increasingly disconnected streets over time, while Pandaveswar fluctuated in its street-construction patterns and Novara built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Ayang and Novara both became progressively more disconnected, while Pandaveswar became progressively more connected. Ayang and Pandaveswar have been converging in their street-network character since 1975.