Serui Kota 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 Serui Kota plotted against Papua and Indonesia. While Papua and Indonesia both rose steadily, Serui Kota's new street additions rose steadily. Most recently, Serui Kota's incremental SNDi rose from 4.32 to 8.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Serui Kota ranked 6th out of 15 cities in Papua and 86th 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?

• Hofu, Japan
• Mingshui, China
• Linzhang, China
• St Albans, United Kingdom
• Lingchuan, China
• Dhakia Jumma, India

While Hofu and St Albans both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Serui Kota built increasingly disconnected streets over time in new street additions. Looking at the full network, Hofu and St Albans both grew more disconnected from 1975 through 1991-2005, then improved, while Serui Kota became progressively more disconnected. Notably, Serui Kota had a more connected network than Hofu in 1975 but the two have since reversed their relative ranking.