White Rock in context: Street-network sprawl trends

White Rock 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
White RockBritish Columbia (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with White Rock plotted against British Columbia and Canada. The SNDi of new construction in White Rock peaked in 1991-2005, compared to British Columbia which peaked in 1976-1990 and Canada which peaked in 1976-1990. Most recently, White Rock's incremental SNDi fell from 3.3 to 2.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, White Rock ranked 4th out of 8 cities in British Columbia and 29th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
2.97
Rank in Canada
17th of 54
Rank in British Columbia
2nd of 8

Entire Network (Aggregate)

SNDi value
2.76
Rank in Canada
29th of 54
Rank in British Columbia
4th 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
White RockStryiSohna

In new street additions, White Rock built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Stryi fluctuated in its street-construction patterns and Sohna built increasingly disconnected streets over time. For the full network, White Rock and Sohna both became progressively more disconnected, while Stryi fluctuated in connectivity. White Rock and Stryi have been growing further apart in their street-network character since 1975.