Lake Ronkonkoma in context: Street-network sprawl trends

Lake Ronkonkoma in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Lake RonkonkomaNew York (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lake Ronkonkoma plotted against New York and United States. The SNDi of new construction in Lake Ronkonkoma rose steadily, compared to New York which followed a zig-zag trend with an overall increase and United States which peaked in 1991-2005. Most recently, Lake Ronkonkoma's incremental SNDi rose from 4.29 to 5.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lake Ronkonkoma ranked 10th out of 12 cities in New York and 208th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
5.74
Rank in United States
292nd of 333
Rank in New York
11th of 12

Entire Network (Aggregate)

SNDi value
3.57
Rank in United States
208th of 333
Rank in New York
10th of 12

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Lake RonkonkomaMassingaXiaoguan

In new street additions, Lake Ronkonkoma and Massinga both built increasingly disconnected streets over time, while Xiaoguan built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Lake Ronkonkoma and Massinga both became progressively more disconnected, while Xiaoguan grew more disconnected from 1975 through 1991-2005, then improved. Lake Ronkonkoma and Xiaoguan have been converging in their street-network character since 1975.