Abbotsford in context: Street-network sprawl trends

Abbotsford 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
AbbotsfordBritish Columbia (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Abbotsford plotted against British Columbia and Canada. The SNDi of new construction in Abbotsford followed a zig-zag trend with an overall increase, compared to British Columbia which peaked in 1976-1990 and Canada which peaked in 1976-1990. Most recently, Abbotsford's incremental SNDi rose from 4.19 to 5.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Abbotsford ranked 6th out of 8 cities in British Columbia and 48th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
5.57
Rank in Canada
52nd of 54
Rank in British Columbia
8th of 8

Entire Network (Aggregate)

SNDi value
3.37
Rank in Canada
48th of 54
Rank in British Columbia
6th of 8

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
AbbotsfordCotorroXinzhuangying

In new street additions, Abbotsford fluctuated in its street-construction patterns, while Cotorro built increasingly disconnected streets from 1975 through 1991-2005, then improved and Xinzhuangying built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full street network, though, all three cities follow the same trend. Abbotsford and Xinzhuangying have been converging in their street-network character since 1975.