Arga Makmur in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Arga Makmur plotted against Bengkulu and Indonesia. The SNDi of new construction in Arga Makmur peaked in 1991-2005, compared to Bengkulu which rose steadily and Indonesia which rose steadily. Most recently, Arga Makmur's incremental SNDi fell from 5.24 to 5.02 between 1991-2005 and 2006-2020. In terms of the aggregate network, Arga Makmur ranked 1st out of 4 cities in Bengkulu and 59th out of 366 in Indonesia as of 2020.

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

What about similarly populated cities?

• Dunkwa-on-Offin, Ghana
• Thippanampatti, India
• Binga, Democratic Republic of the Congo
• Rossosh, Russia
• Ryongampho-rodongjagu, North Korea
• Catacamas, Honduras

In new street additions, Arga Makmur built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Dunkwa-on-Offin built increasingly disconnected streets over time and Rossosh built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Arga Makmur and Dunkwa-on-Offin both became progressively more disconnected, while Rossosh became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Arga Makmur had a more connected network than Rossosh in 1975 but the two have since reversed their relative ranking.