Bukan 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 Bukan plotted against West Azarbaijan and Iran. While West Azarbaijan and Iran both rose steadily, Bukan's new street additions rose steadily. Most recently, Bukan's incremental SNDi rose from 1.72 to 2.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bukan ranked 1st out of 11 cities in West Azarbaijan and 2nd out of 169 in Iran as of 2020.

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

What about similarly populated cities?

• Chikkamagaluru, India
• Khemisset, Morocco
• Cachoeiro de Itapemirim, Brazil
• Battambang, Cambodia
• 新垵, China
• Obihiro, Japan

In new street additions, Bukan and Battambang both built increasingly disconnected streets over time, while Chikkamagaluru built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Bukan and Battambang both became progressively more disconnected, while Chikkamagaluru became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.