Tergachi in context: Street-network sprawl trends

Tergachi 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
TergachiNamangan (Region)Uzbekistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tergachi plotted against Namangan and Uzbekistan. The SNDi of new construction in Tergachi followed a zig-zag trend with an overall increase, compared to Namangan which followed a zig-zag trend with an overall increase and Uzbekistan which rose steadily. Most recently, Tergachi's incremental SNDi rose from 2.87 to 3.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tergachi ranked 2nd out of 8 cities in Namangan and 14th out of 72 in Uzbekistan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.79
Rank in Uzbekistan
19th of 72
Rank in Namangan
4th of 8

Entire Network (Aggregate)

SNDi value
3.04
Rank in Uzbekistan
14th of 72
Rank in Namangan
2nd of 8

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
TergachiReadingShahdadpur

In new street additions, Tergachi and Shahdadpur both fluctuated in its street-construction patterns, while Reading built increasingly disconnected streets over time. Looking at the full network, Reading and Shahdadpur both became progressively more disconnected, while Tergachi fluctuated in connectivity. Tergachi and Shahdadpur have been growing further apart in their street-network character since 1975.