Traffic in Canada is becoming a serious problem. Infrastructure isn’t keeping up as the population grows, and commute times are growing.

In a recent study from TomTom, Canadian cities took three of the top spots among North America’s metro areas with the worst traffic, with Vancouver named as the most gridlocked city on the continent.

And Canadians are fed up — so fed up they’re moving back into city centres and reshaping the country, says a new report from PricewaterhouseCoopers.

“Reverse migration from the suburbs to downtown areas [is] one of the most forceful and rapidly emerging trends in both corporate office and residential real estate,” PwC said in its report, “Emerging Trends In Real Estate 2014.”

So all those cranes dotting the Toronto skyline are no accident.

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  • 10) Montreal

    This slideshow shows the top 10 worst cities for traffic congestion in North America, according to TomTom.

  • 9) New York

  • 8) Washington, D.C.

  • 7) Toronto

  • 6) San Jose, California

  • 5) Seattle

  • 4) Honolulu

  • 3) San Francisco

  • 2) Los Angeles

  • 1) Vancouver

  • NEXT: <a href="http://www.huffingtonpost.ca/2012/07/10/worst-traffic-congestion-canada-vancouver_n_1663792.html" target="_blank">Vancouver Traffic Congestion Worst In Canada, 2012</a>

  • Los Angeles

    Current Rank: 1 Previous Rank: 1 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Vancouver

    Current Rank: 2 Previous Rank: 2 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Miami

    Current Rank: 3 Previous Rank: 5 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Seattle

    Current Rank: 4 Previous Rank: 12 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Tampa

    Current Rank: 5 Previous Rank: 6 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • San Francisco

    Current Rank: 6 Previous Rank: 9 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Washington, D.C.

    Current Rank: 7 Previous Rank: 4 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Houston

    Current Rank: 8 Previous Rank: 18 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Toronto

    Current Rank: 9 Previous Rank: 3 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

  • Ottawa

    Current Rank: 10 Previous Rank: 15 <a href="http://www.tomtom.com/lib/doc/congestionindex/2012-0704-TomTom-Congestion-index-2012Q1namerica-mi.pdf" target="_hplink">Source: TomTom's Congestion Index</a>

And with no resolution in sight to the “challenging” infrastructure problems, “there will be a continued demand for retail, office and residential space in our urban centres where there is easy access to mass transit," said Lori-Ann Beausoleil, a partner at PwC Canada, in a statement.

In other words, we can expect to see more condos, office towers and retail space near subway and rail stations and other transit nodes — what PwC calls “live/work/play environments.”

The report sees another element at play here: Some parts of Canada are literally running out space to build suburbs.

One such place is Greater Toronto, where a greenbelt around the metro area, put into place by the province in 2005, means the region will soon run out of space for new developments.

“All land available for low-rise [development] within the greenbelt will be built out within 10 years,” PwC quotes an interviewee as saying.

“Therefore, remaining opportunities will be for redevelopment only. They will favour higher density and mixed-use.”

So does that mark the looming end of new single-family homes in Canada’s largest metro area? The report notes some developers expect the suburbs to keep growing on the other side of the greenbelt, but PwC pours some cold water on that idea, noting that such long commutes into the city are exactly what people want to avoid.

With supply falling short, single-family homes are becoming prohibitively expensive, and that’s exacerbating the trend.

“You can’t be in the business when the average man can’t afford the average house,” a real estate insider told PwC.

The report notes that house prices continue to grow faster than incomes, with recent data showing an 8.8-per-cent jump in house prices over the past year, to $385,906.

Earlier on HuffPost: