Mendi in context: Street-network sprawl trends

Mendi in context

45678<19751976–19901991–20052006–2020SNDi of street additions
45678<19751976–19901991–20052006–2020SNDi of entire street network
MendiSouthern Highlands (Region)Papua New Guinea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mendi plotted against Southern Highlands and Papua New Guinea. The SNDi of new construction in Mendi followed a zig-zag trend with an overall increase, compared to Southern Highlands which peaked in 1991-2005 and Papua New Guinea which rose steadily. Most recently, Mendi's incremental SNDi rose from 5.72 to 8.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mendi ranked 1st out of 1 cities in Southern Highlands and 5th out of 10 in Papua New Guinea as of 2020.

New Street Additions (2006–2020)

SNDi value
8.44
Rank in Papua New Guinea
6th of 10
Rank in Southern Highlands
1st of 1

Entire Network (Aggregate)

SNDi value
5.55
Rank in Papua New Guinea
5th of 10
Rank in Southern Highlands
1st of 1

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
MendiAl-ZawamelGhakhar Mandi

In new street additions, Mendi fluctuated in its street-construction patterns, while Al-Zawamel built increasingly disconnected streets from 1975 through 1991-2005, then improved and Ghakhar Mandi built increasingly disconnected streets over time. For the full network, Mendi and Ghakhar Mandi both became progressively more disconnected, while Al-Zawamel grew more disconnected from 1975 through 1991-2005, then improved. Mendi and Al-Zawamel have been growing further apart in their street-network character since 1975.