Waukegan in context: Street-network sprawl trends

Waukegan 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
WaukeganIllinois (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Waukegan plotted against Illinois and United States. The SNDi of new construction in Waukegan rose steadily, compared to Illinois which peaked in 1991-2005 and United States which peaked in 1991-2005. Most recently, Waukegan's incremental SNDi rose from 4.59 to 5.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Waukegan ranked 8th out of 12 cities in Illinois and 138th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
5.0
Rank in United States
254th of 333
Rank in Illinois
11th of 12

Entire Network (Aggregate)

SNDi value
2.97
Rank in United States
138th of 333
Rank in Illinois
8th of 12

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
WaukeganKatiYicheng

In new street additions, Waukegan and Kati both built increasingly disconnected streets over time, while Yicheng built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Waukegan and Kati both became progressively more disconnected, while Yicheng grew more disconnected from 1975 through 1991-2005, then improved. Notably, Waukegan had a more sprawly network than Kati in 1975 but the two have since reversed their relative ranking.