El Hamma in context: Street-network sprawl trends

El Hamma in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
El HammaGabes (Region)Tunisia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with El Hamma plotted against Gabès and Tunisia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, El Hamma's incremental SNDi fell from 1.93 to 1.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, El Hamma ranked 1st out of 2 cities in Gabès and 6th out of 24 in Tunisia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.57
Rank in Tunisia
2nd of 24
Rank in Gabès
1st of 2

Entire Network (Aggregate)

SNDi value
1.75
Rank in Tunisia
6th of 24
Rank in Gabès
1st of 2

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
El HammaBinzhouFumin

In new street additions, El Hamma and Binzhou both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Fumin built increasingly disconnected streets over time. For the full network, El Hamma grew more disconnected from 1975 through 1991-2005, then improved, while Binzhou grew more disconnected from 1975 through 1976-1990, then improved and Fumin became progressively more disconnected. Notably, El Hamma had a more sprawly network than Fumin in 1975 but the two have since reversed their relative ranking.