Dale City in context: Street-network sprawl trends

Dale City in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
Dale CityVirginia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dale City plotted against Virginia and United States. The SNDi of new construction in Dale City peaked in 1976-1990, compared to Virginia which peaked in 1991-2005 and United States which peaked in 1991-2005. Most recently, Dale City's incremental SNDi fell from 7.16 to 5.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dale City ranked 11th out of 11 cities in Virginia and 330th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
5.78
Rank in United States
294th of 333
Rank in Virginia
10th of 11

Entire Network (Aggregate)

SNDi value
6.71
Rank in United States
330th of 333
Rank in Virginia
11th of 11

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
Dale CityAlchevskLingbao

In new street additions, Dale City built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Alchevsk built increasingly disconnected streets over time and Lingbao fluctuated in its street-construction patterns. Looking at the full network, Alchevsk and Lingbao both became progressively more disconnected, while Dale City grew more disconnected from 1975 through 1991-2005, then improved.