Calgarians are still rationing water more than two weeks after a catastrophic pipe break — and the city says they've got at least two more weeks to go before it's fixed.

There's still much we don't know about why this pipe broke down, but what experts do know is that other Canadian cities should be gearing up for similar crises. Huge amounts of their infrastructure — from roads to subway cars to schools and community centres — hasn't been properly maintained for decades, and it's nearing the end of its life span.

Matti Siemiatycki, the Director of the Infrastructure Institute at the University of Toronto.

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