Trois-Rivières in context: Street-network sprawl trends

Trois-Rivieres in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Trois-RivieresQuebec (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Trois-Rivières plotted against Québec and Canada. The SNDi of new construction in Trois-Rivières peaked in 1991-2005, compared to Québec which followed a zig-zag trend with an overall increase and Canada which peaked in 1976-1990. Most recently, Trois-Rivières's incremental SNDi fell from 3.37 to 3.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Trois-Rivières ranked 2nd out of 10 cities in Québec and 11th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
3.3
Rank in Canada
28th of 54
Rank in Québec
2nd of 10

Entire Network (Aggregate)

SNDi value
2.45
Rank in Canada
11th of 54
Rank in Québec
2nd of 10

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

What about similarly populated cities?

012345<19751976–19901991–20052006–2020SNDi of street additions
012345<19751976–19901991–20052006–2020SNDi of entire street network
Trois-RivieresAmethiArauca

In new street additions, Trois-Rivières built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Amethi built increasingly disconnected streets from 1975 through 1976-1990, then improved and Arauca fluctuated in its street-construction patterns. For the full network, Trois-Rivières and Arauca both became progressively more disconnected, while Amethi grew more disconnected from 1975 through 1976-1990, then improved. Notably, Trois-Rivières had a more sprawly network than Arauca in 1975 but the two have since reversed their relative ranking.