Oued Zem in context: Street-network sprawl trends

Oued Zem in context

1.622.4<19751976–19901991–20052006–2020SNDi of street additions
1.622.4<19751976–19901991–20052006–2020SNDi of entire street network
Oued ZemChaouia - Ouardigha (Region)Morocco (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Oued Zem plotted against Chaouia - Ouardigha and Morocco. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Oued Zem's incremental SNDi rose from 1.68 to 1.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Oued Zem ranked 2nd out of 7 cities in Chaouia - Ouardigha and 21st out of 72 in Morocco as of 2020.

New Street Additions (2006–2020)

SNDi value
1.89
Rank in Morocco
27th of 72
Rank in Chaouia - Ouardigha
5th of 7

Entire Network (Aggregate)

SNDi value
1.65
Rank in Morocco
21st of 72
Rank in Chaouia - Ouardigha
2nd of 7

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Oued ZemWuyuanG'ijduvon

In new street additions, Oued Zem and Wuyuan both fluctuated in its street-construction patterns, while G'ijduvon built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Oued Zem and Wuyuan have been growing further apart in their street-network character since 1975.