Dhamar in context: Street-network sprawl trends

Dhamar in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
DhamarYemen (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dhamar plotted against Yemen. Both Dhamar and Yemen follow the same trend. Most recently, Dhamar's incremental SNDi rose from 2.07 to 3.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dhamar ranked 12th out of 58 in Yemen as of 2020.

New Street Additions (2006–2020)

SNDi value
3.29
Rank in Yemen
13th of 58

Entire Network (Aggregate)

SNDi value
2.43
Rank in Yemen
12th 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
DhamarSemeyYuzhou

In new street additions, Dhamar and Yuzhou both fluctuated in its street-construction patterns, while Semey built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Dhamar fluctuated in connectivity, while Semey became progressively more disconnected and Yuzhou grew more disconnected from 1975 through 1976-1990, then improved. Dhamar and Yuzhou have been converging in their street-network character since 1975.