Brikama 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 Brikama plotted against Western and Gambia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Brikama's incremental SNDi rose from 1.63 to 2.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Brikama ranked 1st out of 2 cities in Western and 1st out of 3 in Gambia as of 2020.

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

What about similarly populated cities?

• Potsdam, Germany
• Duodao, China
• Kulai, Malaysia
• Girón, Colombia
• Qambar, Pakistan
• Gabela, Angola

In new street additions, Brikama and Potsdam both fluctuated in its street-construction patterns, while Girón built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Brikama and Potsdam have been converging in their street-network character since 1975.