Ask NOW: How does city decide whether to use asphalt or cement?

Nov. 13, 2012

How does the city choose, asphalt or cement?

Issue: A reader wants to know how the city determines whether to replace a torn-up street with asphalt or cement.

Status: "There is no hard and fast rule; generally we put back what was there," Bill Porter, director of public works, said.

It can also matter what time of year the paving work is taking place because asphalt plants shut down over the winter, but concrete can be poured year-round. He said the city also looks at the budget and traffic patterns because concrete is more expensive, but also more durable.

Finally, the city also considers whether there is trenching under the pavement because concrete bridges the gaps between trenches, while asphalt may buckle instead, Porter added.

Wauwatosa NOW .com

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