The level of street-network sprawl in new development in Ontario peaked in 1976-1990. To get a sense of how street development has changed in Ontario, we can consider three of its most populous cities: Toronto, Ottawa and Hamilton. Out of the three cities, Hamilton does not follow the same trend as the region. The level of street-network sprawl in new development in Hamilton followed a zig-zag trend with an overall increase.

How do development practices in Ontario fare in comparison to others in Canada? Most recently in 2006-2020, street construction in Ontario was the 2nd-most disconnected out of the 8 regions in Canada. Its position in the ranks since 1975 has risen; relative to other regions in Canada, street construction in Ontario has become more disconnected. Ontario ranked 5th in 1975, 4th in 1976-1990, 2nd in 1991-2005 and 2nd in 2006-2020.

As of 2020, the city with the most disconnected street network in Ontario is Sarnia with an SNDi of 3.66, which is relatively sprawly. Conversely, the most connected city is Peterborough with an SNDi of 2.02, which is well-connected. See trends for these cities: Peterborough, Sarnia

The level of street-network sprawl in the aggregate network in Ontario rose steadily. To get a sense of how the aggregate street network has changed in Ontario, we can consider three of its most populous cities: Toronto, Ottawa and Hamilton. Disconnectivity in the most populous cities in Ontario follow the same region trend.

To date, Ontario is the 3rd-most disconnected out of the 8 regions in Canada. Its position in the ranks since 1975 has risen; relative to other regions in Canada, the street network in Ontario has become more disconnected. Ontario ranked 5th in 1975, 4th in 1976-1990, 3rd in 1991-2005 and 3rd in 2006-2020.