Newmarket in context: Street-network sprawl trends

Newmarket in context

2.733.33.6<19751976–19901991–20052006–2020SNDi of street additions
2.733.33.6<19751976–19901991–20052006–2020SNDi of entire street network
NewmarketOntario (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Newmarket plotted against Ontario and Canada. The SNDi of new construction in Newmarket peaked in 1991-2005, compared to Ontario which peaked in 1976-1990 and Canada which peaked in 1976-1990. Most recently, Newmarket's incremental SNDi fell from 3.62 to 3.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Newmarket ranked 23rd out of 24 cities in Ontario and 45th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
3.5
Rank in Canada
33rd of 54
Rank in Ontario
17th of 24

Entire Network (Aggregate)

SNDi value
3.13
Rank in Canada
45th of 54
Rank in Ontario
23rd of 24

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
NewmarketMudonPiplan

In new street additions, Newmarket built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Mudon built increasingly disconnected streets over time and Piplan fluctuated in its street-construction patterns. For the full network, Newmarket and Mudon both became progressively more disconnected, while Piplan became progressively more connected. Notably, Newmarket had a more sprawly network than Mudon in 1975 but the two have since reversed their relative ranking.