Matsue in context: Street-network sprawl trends

Matsue in context

22.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
MatsueShimane (Region)Japan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Matsue plotted against Shimane and Japan. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Matsue's incremental SNDi rose from 3.01 to 3.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Matsue ranked 2nd out of 2 cities in Shimane and 100th out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.15
Rank in Japan
92nd of 135
Rank in Shimane
2nd of 2

Entire Network (Aggregate)

SNDi value
2.66
Rank in Japan
100th of 135
Rank in Shimane
2nd of 2

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

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
MatsueHuarongMohammadabad

In new street additions, Matsue and Huarong both fluctuated in its street-construction patterns, while Mohammadabad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Matsue became progressively more disconnected, while Huarong fluctuated in connectivity and Mohammadabad became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Matsue had a more sprawly network than Huarong in 1975 but the two have since reversed their relative ranking.