`Adan in context: Street-network sprawl trends

`Adan in context

3.23.644.4<19751976–19901991–20052006–2020SNDi of street additions
3.23.644.4<19751976–19901991–20052006–2020SNDi of entire street network
`AdanYemen (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with `Adan plotted against Yemen. Both `Adan and Yemen follow the same trend. Most recently, `Adan's incremental SNDi rose from 3.58 to 3.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, `Adan ranked 29th out of 58 in Yemen as of 2020.

New Street Additions (2006–2020)

SNDi value
3.82
Rank in Yemen
17th of 58

Entire Network (Aggregate)

SNDi value
3.76
Rank in Yemen
29th of 58

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
`AdanTakamatsuElazig

In new street additions, `Adan and Takamatsu both fluctuated in its street-construction patterns, while Elazığ built increasingly connected streets over time. For the full network, `Adan fluctuated in connectivity, while Takamatsu became progressively more disconnected and Elazığ became progressively more connected.