Al Beidha in context: Street-network sprawl trends

Al Beidha in context

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
Al BeidhaAl Bayda' (Region)Yemen (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Al Beidha plotted against Al Bayda' and Yemen. The SNDi of new construction in Al Beidha rose steadily, compared to Al Bayda' which followed a zig-zag trend with an overall increase and Yemen which followed a zig-zag trend with an overall increase. Most recently, Al Beidha's incremental SNDi rose from 4.73 to 6.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al Beidha ranked 2nd out of 2 cities in Al Bayda' and 33rd out of 58 in Yemen as of 2020.

New Street Additions (2006–2020)

SNDi value
6.13
Rank in Yemen
37th of 58
Rank in Al Bayda'
1st of 2

Entire Network (Aggregate)

SNDi value
4.11
Rank in Yemen
33rd of 58
Rank in Al Bayda'
2nd of 2

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
Al BeidhaGoalandaLiberia

In new street additions, Al Beidha and Liberia both built increasingly disconnected streets over time, while Goalanda fluctuated in its street-construction patterns. For the full network, Al Beidha and Liberia both became progressively more disconnected, while Goalanda fluctuated in connectivity. Al Beidha and Goalanda have been growing further apart in their street-network character since 1975.