Biyahmu in context: Street-network sprawl trends

Biyahmu in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
BiyahmuAl Fayyum (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Biyahmu plotted against Al Fayyum and Egypt. The SNDi of new construction in Biyahmu peaked in 1991-2005, compared to Al Fayyum which peaked in 1976-1990 and Egypt which followed a zig-zag trend with an overall increase. Most recently, Biyahmu's incremental SNDi fell from 5.1 to 4.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Biyahmu ranked 6th out of 13 cities in Al Fayyum and 126th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
4.09
Rank in Egypt
94th of 213
Rank in Al Fayyum
4th of 13

Entire Network (Aggregate)

SNDi value
3.79
Rank in Egypt
126th of 213
Rank in Al Fayyum
6th of 13

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
BiyahmuSujapurYuxia

In new street additions, Biyahmu built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Sujapur built increasingly disconnected streets over time and Yuxia built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Biyahmu and Sujapur have been growing further apart in their street-network character since 1975.