Damietta in context: Street-network sprawl trends

Damietta in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
DamiettaDumyat (Region)Egypt (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Damietta plotted against Dumyat and Egypt. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Damietta's incremental SNDi rose from 5.03 to 5.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Damietta ranked 1st out of 3 cities in Dumyat and 174th out of 213 in Egypt as of 2020.

New Street Additions (2006–2020)

SNDi value
5.47
Rank in Egypt
152nd of 213
Rank in Dumyat
1st of 3

Entire Network (Aggregate)

SNDi value
4.96
Rank in Egypt
174th of 213
Rank in Dumyat
1st of 3

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
DamiettaSheffieldJhang

In new street additions, Damietta fluctuated in its street-construction patterns, while Sheffield built increasingly disconnected streets from 1975 through 1991-2005, then improved and Jhang built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.