Greensboro in context: Street-network sprawl trends

Greensboro in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
GreensboroNorth Carolina (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Greensboro plotted against North Carolina and United States. The SNDi of new construction in Greensboro rose steadily, compared to North Carolina which peaked in 1991-2005 and United States which peaked in 1991-2005. Most recently, Greensboro's incremental SNDi rose from 3.54 to 4.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Greensboro ranked 1st out of 7 cities in North Carolina and 88th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.44
Rank in United States
206th of 333
Rank in North Carolina
4th of 7

Entire Network (Aggregate)

SNDi value
2.55
Rank in United States
88th of 333
Rank in North Carolina
1st of 7

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
GreensboroXuzhouO-a-liau / Kezihliao

In new street additions, Greensboro built increasingly disconnected streets over time, while Xuzhou fluctuated in its street-construction patterns and Ô-á-liâu / Kezihliao built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Greensboro and Ô-á-liâu / Kezihliao both became progressively more disconnected, while Xuzhou fluctuated in connectivity. Greensboro and Ô-á-liâu / Kezihliao have been growing further apart in their street-network character since 1975.