El Abiodh Sidi Cheikh in context: Street-network sprawl trends

El Abiodh Sidi Cheikh in context

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
El Abiodh Sidi CheikhEl Bayadh (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with El Abiodh Sidi Cheikh plotted against El Bayadh and Algeria. The SNDi of new construction in El Abiodh Sidi Cheikh was at its lowest in 1991-2005, compared to El Bayadh which followed a zig-zag trend with an overall decrease and Algeria which followed a zig-zag trend with an overall decrease. Most recently, El Abiodh Sidi Cheikh's incremental SNDi rose from 1.18 to 1.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, El Abiodh Sidi Cheikh ranked 1st out of 1 cities in El Bayadh and 11th out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
1.24
Rank in Algeria
5th of 109
Rank in El Bayadh
1st of 1

Entire Network (Aggregate)

SNDi value
1.39
Rank in Algeria
11th of 109
Rank in El Bayadh
1st of 1

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
El Abiodh Sidi CheikhConselheiro LafaietePir Mahal

While Conselheiro Lafaiete and Pir Mahal both built increasingly disconnected streets over time, El Abiodh Sidi Cheikh built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. Looking at the full network, Conselheiro Lafaiete and Pir Mahal both became progressively more disconnected, while El Abiodh Sidi Cheikh became progressively more connected. Notably, El Abiodh Sidi Cheikh had a more sprawly network than Pir Mahal in 1975 but the two have since reversed their relative ranking.