Wabag in context: Street-network sprawl trends

Wabag in context

66.67.27.8<19751976–19901991–20052006–2020SNDi of street additions
66.67.27.8<19751976–19901991–20052006–2020SNDi of entire street network
WabagEnga (Region)Papua New Guinea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wabag plotted against Enga and Papua New Guinea. The SNDi of new construction in Wabag followed a zig-zag trend with an overall increase, compared to Enga which was at its lowest in 1991-2005 and Papua New Guinea which rose steadily. Most recently, Wabag's incremental SNDi fell from 7.6 to 6.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wabag ranked 1st out of 1 cities in Enga and 8th out of 10 in Papua New Guinea as of 2020.

New Street Additions (2006–2020)

SNDi value
6.45
Rank in Papua New Guinea
4th of 10
Rank in Enga
1st of 1

Entire Network (Aggregate)

SNDi value
6.45
Rank in Papua New Guinea
8th of 10
Rank in Enga
1st of 1

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
WabagAmakpoXiangshan

In new street additions, Wabag fluctuated in its street-construction patterns, while Amakpo fluctuated in its street-construction patterns and Xiangshan built increasingly connected streets over time. For the full network, Wabag became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Amakpo became progressively more disconnected and Xiangshan became progressively more connected. Wabag and Xiangshan have been growing further apart in their street-network character since 1975.