Kelibia 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 Kelibia plotted against Nabeul and Tunisia. The SNDi of new construction in Kelibia followed a zig-zag trend with an overall increase, compared to Nabeul which followed a zig-zag trend with an overall increase and Tunisia which peaked in 1976-1990. Most recently, Kelibia's incremental SNDi rose from 2.03 to 2.7 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kelibia ranked 1st out of 2 cities in Nabeul and 18th out of 24 in Tunisia as of 2020.

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

What about similarly populated cities?

• Paniqui, Philippines
• Nagahama, Japan
• Afuze, Nigeria
• Sayad, Afghanistan
• Ejura, Ghana
• Corozal, Colombia

In new street additions, Kelibia fluctuated in its street-construction patterns, while Paniqui built increasingly disconnected streets from 1975 through 1976-1990, then improved and Sayad built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Paniqui and Sayad both grew more disconnected from 1975 through 1991-2005, then improved, while Kelibia fluctuated in connectivity. Kelibia and Sayad have been growing further apart in their street-network character since 1975.