Dongping 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 Dongping plotted against Shandong and China. The SNDi of new construction in Dongping was at its lowest in 1976-1990, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Dongping's incremental SNDi rose from 3.33 to 3.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dongping ranked 103rd out of 124 cities in Shandong and 1307th out of 1843 in China as of 2020.

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

What about similarly populated cities?

• Jagatsinghpur, India
• Wenshui, China
• Xingxian, China
• Pithoragarh, India
• Saveh, Iran
• Chucko, Ethiopia

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