Al Zawiyah 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 Al Zawiyah plotted against Az Zawiyah and Libya. The SNDi of new construction in Al Zawiyah peaked in 1991-2005, compared to Az Zawiyah which peaked in 1991-2005 and Libya which peaked in 1976-1990. Most recently, Al Zawiyah's incremental SNDi fell from 6.73 to 4.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al Zawiyah ranked 1st out of 1 cities in Az Zawiyah and 11th out of 13 in Libya as of 2020.

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

What about similarly populated cities?

• Xilu, China
• Saint-Marc, Haiti
• Lichinga, Mozambique
• Jingmen, China
• Dumka, India
• Xinjia, China

In new street additions, Al Zawiyah and Jingmen both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Xilu fluctuated in its street-construction patterns. For the full network, Al Zawiyah grew more disconnected from 1975 through 1991-2005, then improved, while Xilu fluctuated in connectivity and Jingmen became progressively more disconnected. Al Zawiyah and Xilu have been growing further apart in their street-network character since 1975.