Dabo in context: Street-network sprawl trends

Dabo in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
DaboKepulauan Riau (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dabo plotted against Kepulauan Riau and Indonesia. The SNDi of new construction in Dabo peaked in 1976-1990, compared to Kepulauan Riau which followed a zig-zag trend with an overall increase and Indonesia which rose steadily. Most recently, Dabo's incremental SNDi fell from 3.24 to 3.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dabo ranked 4th out of 6 cities in Kepulauan Riau and 67th out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.21
Rank in Indonesia
10th of 366
Rank in Kepulauan Riau
2nd of 6

Entire Network (Aggregate)

SNDi value
3.52
Rank in Indonesia
67th of 366
Rank in Kepulauan Riau
4th of 6

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
DaboTanjung PiayuZarumilla

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