Maghnia in context: Street-network sprawl trends

Maghnia in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
MaghniaTlemcen (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Maghnia plotted against Tlemcen and Algeria. The SNDi of new construction in Maghnia peaked in 1976-1990, compared to Tlemcen which followed a zig-zag trend with an overall decrease and Algeria which followed a zig-zag trend with an overall decrease. Most recently, Maghnia's incremental SNDi fell from 1.53 to 1.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Maghnia ranked 1st out of 3 cities in Tlemcen and 14th out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
1.37
Rank in Algeria
9th of 109
Rank in Tlemcen
1st of 3

Entire Network (Aggregate)

SNDi value
1.43
Rank in Algeria
14th of 109
Rank in Tlemcen
1st of 3

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
MaghniaUdinePatnos

In new street additions, Maghnia and Patnos both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Udine built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Maghnia and Patnos both grew more disconnected from 1975 through 1991-2005, then improved, while Udine became progressively more disconnected.