Gafsa in context: Street-network sprawl trends

Gafsa in context

1.82.12.42.73<19751976–19901991–20052006–2020SNDi of street additions
1.82.12.42.73<19751976–19901991–20052006–2020SNDi of entire street network
GafsaTunisia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gafsa plotted against Tunisia. Both Gafsa and Tunisia follow the same trend. Most recently, Gafsa's incremental SNDi fell from 2.24 to 1.91 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gafsa ranked 14th out of 24 in Tunisia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.91
Rank in Tunisia
8th of 24

Entire Network (Aggregate)

SNDi value
2.08
Rank in Tunisia
14th of 24

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
GafsaZalantunCoronel Fabriciano

In new street additions, Gafsa built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Zalantun fluctuated in its street-construction patterns and Coronel Fabriciano built increasingly disconnected streets over time. For the full network, Gafsa grew more disconnected from 1975 through 1991-2005, then improved, while Zalantun fluctuated in connectivity and Coronel Fabriciano became progressively more disconnected. Gafsa and Coronel Fabriciano have been growing further apart in their street-network character since 1975.