Selden in context: Street-network sprawl trends

Selden in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
SeldenNew York (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Selden plotted against New York and United States. While New York and United States both peaked in 1991-2005, Selden's new street additions peaked in 1991-2005. Most recently, Selden's incremental SNDi fell from 4.87 to 4.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Selden ranked 11th out of 12 cities in New York and 235th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.35
Rank in United States
193rd of 333
Rank in New York
7th of 12

Entire Network (Aggregate)

SNDi value
3.79
Rank in United States
235th of 333
Rank in New York
11th of 12

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

What about similarly populated cities?

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
SeldenKrusevacDiphu

In new street additions, Selden built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Kruševac built increasingly disconnected streets from 1975 through 1976-1990, then improved and Diphu built increasingly disconnected streets over time. For the full network, Selden and Diphu both became progressively more disconnected, while Kruševac grew more disconnected from 1975 through 1991-2005, then improved.