Sugarland Run in context: Street-network sprawl trends

Sugarland Run in context

2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
Sugarland RunVirginia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sugarland Run plotted against Virginia and United States. The SNDi of new construction in Sugarland Run peaked in 1976-1990, compared to Virginia which peaked in 1991-2005 and United States which peaked in 1991-2005. Most recently, Sugarland Run's incremental SNDi fell from 5.35 to 4.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sugarland Run ranked 9th out of 11 cities in Virginia and 312th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.66
Rank in United States
229th of 333
Rank in Virginia
7th of 11

Entire Network (Aggregate)

SNDi value
5.4
Rank in United States
312th of 333
Rank in Virginia
9th of 11

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
Sugarland RunCanterburyWamena

In new street additions, Sugarland Run and Canterbury both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Wamena built increasingly disconnected streets over time. Looking at the full network, Canterbury and Wamena both became progressively more disconnected, while Sugarland Run grew more disconnected from 1975 through 1976-1990, then improved.