Unaizah in context: Street-network sprawl trends

Unaizah in context

2.533.5<19751976–19901991–20052006–2020SNDi of street additions
2.533.5<19751976–19901991–20052006–2020SNDi of entire street network
UnaizahAl Qassim (Region)Saudi Arabia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Unaizah plotted against Al Qassim and Saudi Arabia. The SNDi of new construction in Unaizah rose steadily, compared to Al Qassim which rose steadily and Saudi Arabia which followed a zig-zag trend with an overall increase. Most recently, Unaizah's incremental SNDi rose from 2.75 to 3.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Unaizah ranked 1st out of 2 cities in Al Qassim and 8th out of 44 in Saudi Arabia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.09
Rank in Saudi Arabia
22nd of 44
Rank in Al Qassim
2nd of 2

Entire Network (Aggregate)

SNDi value
2.42
Rank in Saudi Arabia
8th of 44
Rank in Al Qassim
1st of 2

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

What about similarly populated cities?

2.12.42.73<19751976–19901991–20052006–2020SNDi of street additions
2.12.42.73<19751976–19901991–20052006–2020SNDi of entire street network
UnaizahToursLutsk

In new street additions, Unaizah and Lutsk both built increasingly disconnected streets over time, while Tours built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Notably, Unaizah had a more sprawly network than Lutsk in 1975 but the two have since reversed their relative ranking.