Tanjung Piayu in context: Street-network sprawl trends

Tanjung Piayu in context

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Tanjung PiayuKepulauan Riau (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tanjung Piayu plotted against Kepulauan Riau and Indonesia. The SNDi of new construction in Tanjung Piayu was at its lowest in 1991-2005, compared to Kepulauan Riau which followed a zig-zag trend with an overall increase and Indonesia which rose steadily. Most recently, Tanjung Piayu's incremental SNDi rose from 2.45 to 3.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tanjung Piayu ranked 1st out of 6 cities in Kepulauan Riau and 7th out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.57
Rank in Indonesia
20th of 366
Rank in Kepulauan Riau
4th of 6

Entire Network (Aggregate)

SNDi value
2.55
Rank in Indonesia
7th of 366
Rank in Kepulauan Riau
1st 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
Tanjung PiayuManaureDabo

While Manaure and Dabo both built increasingly disconnected streets from 1975 through 1976-1990, then improved, Tanjung Piayu built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. Looking at the full network, Manaure and Dabo both 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. Notably, Tanjung Piayu had a more sprawly network than Dabo in 1975 but the two have since reversed their relative ranking.