Fassala 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 Fassala plotted against Hodh ech Chargui and Mauritania. The SNDi of new construction in Fassala was at its lowest in 1976-1990, compared to Hodh ech Chargui which was at its lowest in 1976-1990 and Mauritania which followed a zig-zag trend with an overall increase. Most recently, Fassala's incremental SNDi rose from 1.51 to 3.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Fassala ranked 1st out of 1 cities in Hodh ech Chargui and 6th out of 6 in Mauritania as of 2020.

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

What about similarly populated cities?

• Alfenas, Brazil
• Manakara, Madagascar
• Collado Villalba, Spain
• Bajar Keraia, India
• Mandapeta, India
• Kharan, Pakistan

In new street additions, Fassala and Bajar Keraia both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Alfenas built increasingly disconnected streets over time. For the full network, Fassala and Bajar Keraia both became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Alfenas became progressively more disconnected. Notably, Fassala had a more sprawly network than Bajar Keraia in 1975 but the two have since reversed their relative ranking.