Zouérat in context: Street-network sprawl trends

Zouerat in context

1.522.5<19751976–19901991–20052006–2020SNDi of street additions
1.522.5<19751976–19901991–20052006–2020SNDi of entire street network
ZoueratTiris Zemmour (Region)Mauritania (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zouérat plotted against Tiris Zemmour and Mauritania. The SNDi of new construction in Zouérat peaked in 1976-1990, compared to Tiris Zemmour which peaked in 1976-1990 and Mauritania which followed a zig-zag trend with an overall increase. Most recently, Zouérat's incremental SNDi fell from 1.37 to 1.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zouérat ranked 1st out of 1 cities in Tiris Zemmour and 1st out of 6 in Mauritania as of 2020.

New Street Additions (2006–2020)

SNDi value
1.2
Rank in Mauritania
1st of 6
Rank in Tiris Zemmour
1st of 1

Entire Network (Aggregate)

SNDi value
1.26
Rank in Mauritania
1st of 6
Rank in Tiris Zemmour
1st of 1

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ZoueratGanigleLibenge

In new street additions, Zouérat built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Ganigle built increasingly disconnected streets from 1975 through 1991-2005, then improved and Libenge fluctuated in its street-construction patterns. For the full network, Zouérat grew more disconnected from 1975 through 1976-1990, then improved, while Ganigle grew more disconnected from 1975 through 1991-2005, then improved and Libenge became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.