Ar Rijad in context: Street-network sprawl trends

Ar Rijad in context

481216<19751976–19901991–20052006–2020SNDi of street additions
481216<19751976–19901991–20052006–2020SNDi of entire street network
Ar RijadIbb (Region)Yemen (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ar Rijad plotted against Ibb and Yemen. The SNDi of new construction in Ar Rijad was at its lowest in 1991-2005, compared to Ibb which followed a zig-zag trend with an overall increase and Yemen which followed a zig-zag trend with an overall increase. Most recently, Ar Rijad's incremental SNDi rose from 4.41 to 8.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ar Rijad ranked 6th out of 7 cities in Ibb and 53rd out of 58 in Yemen as of 2020.

New Street Additions (2006–2020)

SNDi value
8.78
Rank in Yemen
43rd of 58
Rank in Ibb
6th of 7

Entire Network (Aggregate)

SNDi value
11.67
Rank in Yemen
53rd of 58
Rank in Ibb
6th of 7

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

What about similarly populated cities?

0481216<19751976–19901991–20052006–2020SNDi of street additions
0481216<19751976–19901991–20052006–2020SNDi of entire street network
Ar RijadHuadianDurame

While Huadian and Durame both built increasingly disconnected streets over time, Ar Rijad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. Looking at the full network, Huadian and Durame both became progressively more disconnected, while Ar Rijad became progressively more connected. Ar Rijad and Huadian have been converging in their street-network character since 1975.