Hamilton in context: Street-network sprawl trends

Hamilton in context

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
HamiltonOhio (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hamilton plotted against Ohio and United States. The SNDi of new construction in Hamilton peaked in 1976-1990, compared to Ohio which rose steadily and United States which peaked in 1991-2005. Most recently, Hamilton's incremental SNDi fell from 4.77 to 4.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hamilton ranked 7th out of 11 cities in Ohio and 140th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.33
Rank in United States
190th of 333
Rank in Ohio
7th of 11

Entire Network (Aggregate)

SNDi value
2.99
Rank in United States
140th of 333
Rank in Ohio
7th of 11

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
HamiltonMartinez de la TorreTumed Right Banner

In new street additions, Hamilton built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Martínez de la Torre fluctuated in its street-construction patterns and Tumed Right Banner built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Hamilton and Martínez de la Torre have been converging in their street-network character since 1975.