Kairouan in context: Street-network sprawl trends

Kairouan in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
KairouanTunisia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kairouan plotted against Tunisia. The SNDi of new construction in Kairouan rose steadily, while Tunisia peaked in 1976-1990. Most recently, Kairouan's incremental SNDi rose from 1.45 to 1.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kairouan ranked 1st out of 24 in Tunisia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.79
Rank in Tunisia
6th of 24

Entire Network (Aggregate)

SNDi value
1.33
Rank in Tunisia
1st of 24

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
KairouanShencottaiJand

In new street additions, Kairouan built increasingly disconnected streets over time, while Shencottai built increasingly disconnected streets from 1975 through 1991-2005, then improved and Jand fluctuated in its street-construction patterns. For the full network, Kairouan and Shencottai both became progressively more disconnected, while Jand became progressively more connected. Kairouan and Jand have been converging in their street-network character since 1975.