Sabya in context: Street-network sprawl trends

Sabya in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
SabyaJizan (Region)Saudi Arabia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sabya plotted against Jizan and Saudi Arabia. The SNDi of new construction in Sabya was at its lowest in 1976-1990, compared to Jizan which rose steadily and Saudi Arabia which followed a zig-zag trend with an overall increase. Most recently, Sabya's incremental SNDi rose from 2.68 to 2.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sabya ranked 2nd out of 4 cities in Jizan and 19th out of 44 in Saudi Arabia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.76
Rank in Saudi Arabia
13th of 44
Rank in Jizan
2nd of 4

Entire Network (Aggregate)

SNDi value
2.58
Rank in Saudi Arabia
19th of 44
Rank in Jizan
2nd of 4

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

What about similarly populated cities?

1.522.533.5<19751976–19901991–20052006–2020SNDi of street additions
1.522.533.5<19751976–19901991–20052006–2020SNDi of entire street network
SabyaGrudziadzShahpur

In new street additions, Sabya built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Grudziądz fluctuated in its street-construction patterns and Shahpur fluctuated in its street-construction patterns. For the full network, Sabya and Grudziądz both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Shahpur fluctuated in connectivity. Sabya and Shahpur have been converging in their street-network character since 1975.