Shahrisabz in context: Street-network sprawl trends

Shahrisabz in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
ShahrisabzQashqadaryo (Region)Uzbekistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shahrisabz plotted against Qashqadaryo and Uzbekistan. The SNDi of new construction in Shahrisabz peaked in 1991-2005, compared to Qashqadaryo which followed a zig-zag trend with an overall increase and Uzbekistan which rose steadily. Most recently, Shahrisabz's incremental SNDi fell from 3.26 to 3.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shahrisabz ranked 1st out of 5 cities in Qashqadaryo and 15th out of 72 in Uzbekistan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.2
Rank in Uzbekistan
11th of 72
Rank in Qashqadaryo
2nd of 5

Entire Network (Aggregate)

SNDi value
3.04
Rank in Uzbekistan
15th of 72
Rank in Qashqadaryo
1st of 5

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ShahrisabzTapachulaIrgalem

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