Omuta in context: Street-network sprawl trends

Omuta in context

22.533.54<19751976–19901991–20052006–2020SNDi of street additions
22.533.54<19751976–19901991–20052006–2020SNDi of entire street network
OmutaFukuoka (Region)Japan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Omuta plotted against Fukuoka and Japan. While Fukuoka and Japan both followed a zig-zag trend with an overall increase, Omuta's new street additions followed a zig-zag trend with an overall increase. Most recently, Omuta's incremental SNDi rose from 3.25 to 3.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, Omuta ranked 4th out of 6 cities in Fukuoka and 94th out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.82
Rank in Japan
113th of 135
Rank in Fukuoka
5th of 6

Entire Network (Aggregate)

SNDi value
2.56
Rank in Japan
94th of 135
Rank in Fukuoka
4th of 6

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
OmutaSragenSalamanca

In new street additions, Omuta and Sragen both fluctuated in its street-construction patterns, while Salamanca built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Omuta and Sragen both became progressively more disconnected, while Salamanca became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Omuta had a more sprawly network than Sragen in 1975 but the two have since reversed their relative ranking.