Hwado in context: Street-network sprawl trends

Hwado in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
HwadoGyeonggi-do (Region)South Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hwado plotted against Gyeonggi-do and South Korea. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Hwado's incremental SNDi rose from 2.52 to 3.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hwado ranked 7th out of 10 cities in Gyeonggi-do and 43rd out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
3.59
Rank in South Korea
42nd of 49
Rank in Gyeonggi-do
8th of 10

Entire Network (Aggregate)

SNDi value
2.83
Rank in South Korea
43rd of 49
Rank in Gyeonggi-do
7th of 10

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
HwadoDevsarDenov

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