Điện Biên Phủ 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 Điện Biên Phủ plotted against Điện Biên and Vietnam. The SNDi of new construction in Điện Biên Phủ was at its lowest in 1991-2005, compared to Điện Biên which was at its lowest in 1976-1990 and Vietnam which rose steadily. Most recently, Điện Biên Phủ's incremental SNDi rose from 4.33 to 5.02 between 1991-2005 and 2006-2020. In terms of the aggregate network, Điện Biên Phủ ranked 1st out of 1 cities in Điện Biên and 76th out of 126 in Vietnam as of 2020.

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

What about similarly populated cities?

• Hutou, China
• Kheragarh, India
• Itacoatiara, Brazil
• Cuamba, Mozambique
• Xiuwen, China
• Samadon, Egypt

In new street additions, Điện Biên Phủ built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Hutou built increasingly disconnected streets from 1975 through 1991-2005, then improved and Cuamba built increasingly disconnected streets over time. For the full network, Điện Biên Phủ became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Hutou grew more disconnected from 1975 through 1991-2005, then improved and Cuamba became progressively more disconnected. Điện Biên Phủ and Hutou have been converging in their street-network character since 1975.