Sers Al Layyan in context: Street-network sprawl trends

Sers Al Layyan in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
Sers Al LayyanAl Minufiyah (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sers Al Layyan plotted against Al Minufiyah and Egypt. The SNDi of new construction in Sers Al Layyan was at its lowest in 1976-1990, compared to Al Minufiyah which rose steadily and Egypt which followed a zig-zag trend with an overall increase. Most recently, Sers Al Layyan's incremental SNDi rose from 3.32 to 4.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sers Al Layyan ranked 10th out of 15 cities in Al Minufiyah and 99th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
4.41
Rank in Egypt
113th of 213
Rank in Al Minufiyah
11th of 15

Entire Network (Aggregate)

SNDi value
3.21
Rank in Egypt
99th of 213
Rank in Al Minufiyah
10th of 15

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Sers Al LayyanGuipingParakou

While Guiping and Parakou both fluctuated in its street-construction patterns, Sers Al Layyan built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. For the full network, Sers Al Layyan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Guiping fluctuated in connectivity and Parakou became progressively more disconnected. Sers Al Layyan and Guiping have been growing further apart in their street-network character since 1975.