Muroran in context: Street-network sprawl trends

Muroran in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
MuroranHokkaido (Region)Japan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Muroran plotted against Hokkaido and Japan. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Muroran's incremental SNDi rose from 3.81 to 4.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Muroran ranked 10th out of 10 cities in Hokkaido and 122nd out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
4.88
Rank in Japan
133rd of 135
Rank in Hokkaido
10th of 10

Entire Network (Aggregate)

SNDi value
3.07
Rank in Japan
122nd of 135
Rank in Hokkaido
10th of 10

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
MuroranPannaDambatta

While Panna and Dambatta both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, Muroran fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend.