Kagoshima in context: Street-network sprawl trends

Kagoshima in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
KagoshimaJapan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kagoshima plotted against Japan. Both Kagoshima and Japan follow the same trend. Most recently, Kagoshima's incremental SNDi rose from 3.89 to 4.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kagoshima ranked 109th out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
4.65
Rank in Japan
129th of 135

Entire Network (Aggregate)

SNDi value
2.82
Rank in Japan
109th of 135

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
KagoshimaLaturDamanhur

In new street additions, Latur and Damanhur both built increasingly disconnected streets over time, while Kagoshima fluctuated in street-construction patterns. For the full street network, though, all three cities follow the same trend. Kagoshima and Latur have been converging in their street-network character since 1975.