Leesburg in context: Street-network sprawl trends

Leesburg 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
LeesburgVirginia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Leesburg plotted against Virginia and United States. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Leesburg's incremental SNDi fell from 4.84 to 4.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Leesburg ranked 5th out of 11 cities in Virginia and 283rd out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.52
Rank in United States
216th of 333
Rank in Virginia
4th of 11

Entire Network (Aggregate)

SNDi value
4.47
Rank in United States
283rd of 333
Rank in Virginia
5th of 11

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
LeesburgHongguBougouni

In new street additions, Leesburg built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Honggu fluctuated in its street-construction patterns and Bougouni built increasingly disconnected streets over time. For the full network, Leesburg and Bougouni both became progressively more disconnected, while Honggu fluctuated in connectivity. Leesburg and Honggu have been converging in their street-network character since 1975.