Tunis in context: Street-network sprawl trends

Tunis in context

2.42.62.83<19751976–19901991–20052006–2020SNDi of street additions
2.42.62.83<19751976–19901991–20052006–2020SNDi of entire street network
TunisTunisia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tunis plotted against Tunisia. The SNDi of new construction in Tunis followed a zig-zag trend with an overall increase, while Tunisia peaked in 1976-1990. Most recently, Tunis's incremental SNDi rose from 2.94 to 3.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tunis ranked 19th out of 24 in Tunisia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.07
Rank in Tunisia
19th of 24

Entire Network (Aggregate)

SNDi value
2.65
Rank in Tunisia
19th of 24

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
TunisOuagadougouThiruvananthapuram

In new street additions, Tunis and Ouagadougou both fluctuated in its street-construction patterns, while Thiruvananthapuram built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.