Hamju in context: Street-network sprawl trends

Hamju in context

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
HamjuHamgyong-namdo (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hamju plotted against Hamgyŏng-namdo and North Korea. The SNDi of new construction in Hamju peaked in 1991-2005, compared to Hamgyŏng-namdo which peaked in 1991-2005 and North Korea which peaked in 1976-1990. Most recently, Hamju's incremental SNDi fell from 6.66 to 3.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hamju ranked 5th out of 11 cities in Hamgyŏng-namdo and 46th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
3.43
Rank in North Korea
17th of 92
Rank in Hamgyŏng-namdo
3rd of 11

Entire Network (Aggregate)

SNDi value
5.04
Rank in North Korea
46th of 92
Rank in Hamgyŏng-namdo
5th of 11

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
HamjuXiangtanPunta Arenas

In new street additions, Hamju built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Xiangtan fluctuated in its street-construction patterns and Punta Arenas built increasingly disconnected streets over time. For the full network, Hamju grew more disconnected from 1975 through 1991-2005, then improved, while Xiangtan fluctuated in connectivity and Punta Arenas became progressively more disconnected. Hamju and Xiangtan have been growing further apart in their street-network character since 1975.