Jimei 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 Jimei plotted against Fujian and China. The SNDi of new construction in Jimei was at its lowest in 1976-1990, compared to Fujian which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Jimei's incremental SNDi rose from 2.54 to 2.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jimei ranked 13th out of 75 cities in Fujian and 569th 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?

• Tabaco, Philippines
• Gundo Meskel, Ethiopia
• Fort Collins, United States
• San Nicolás de los Arroyos, Argentina
• Bacău, Romania
• Bremerhaven, Germany

While Tabaco and San Nicolás de los Arroyos both built increasingly disconnected streets over time, Jimei built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. Looking at the full network, Tabaco and San Nicolás de los Arroyos both became progressively more disconnected, while Jimei became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Jimei and Tabaco have been growing further apart in their street-network character since 1975.