Takasaki [Maebashi] in context: Street-network sprawl trends

Takasaki [Maebashi] in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
Takasaki [Maebashi]Gunma (Region)Japan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Takasaki [Maebashi] plotted against Gunma and Japan. The SNDi of new construction in Takasaki [Maebashi] peaked in 1976-1990, compared to Gunma which peaked in 1976-1990 and Japan which followed a zig-zag trend with an overall increase. Most recently, Takasaki [Maebashi]'s incremental SNDi fell from 1.98 to 1.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Takasaki [Maebashi] ranked 3rd out of 3 cities in Gunma and 24th out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
1.92
Rank in Japan
20th of 135
Rank in Gunma
3rd of 3

Entire Network (Aggregate)

SNDi value
1.8
Rank in Japan
24th of 135
Rank in Gunma
3rd of 3

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
Takasaki [Maebashi]RampurXalapa

While Rampur and Xalapa both built increasingly disconnected streets over time, Takasaki [Maebashi] built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. For the full street network, though, all three cities follow the same trend. Takasaki [Maebashi] and Xalapa have been growing further apart in their street-network character since 1975.