Ganigle in context: Street-network sprawl trends

Ganigle in context

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
GanigleChimbu (Region)Papua New Guinea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ganigle plotted against Chimbu and Papua New Guinea. The SNDi of new construction in Ganigle peaked in 1991-2005, compared to Chimbu which was at its lowest in 1991-2005 and Papua New Guinea which rose steadily. Most recently, Ganigle's incremental SNDi fell from 4.64 to 2.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ganigle ranked 1st out of 2 cities in Chimbu and 1st out of 10 in Papua New Guinea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.49
Rank in Papua New Guinea
1st of 10
Rank in Chimbu
1st of 2

Entire Network (Aggregate)

SNDi value
4.01
Rank in Papua New Guinea
1st of 10
Rank in Chimbu
1st of 2

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
GanigleKocorenZouerat

In new street additions, Ganigle built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Koçören built increasingly disconnected streets over time and Zouérat built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Ganigle grew more disconnected from 1975 through 1991-2005, then improved, while Koçören became progressively more disconnected and Zouérat grew more disconnected from 1975 through 1976-1990, then improved. Notably, Ganigle had a more sprawly network than Koçören in 1975 but the two have since reversed their relative ranking.