CHICAGO - JUNE 22: A jogger runs past people walking Lake Michigan June 22, 2006 in Chicago, Illinois. Chicagoans and visitors alike took in the lakefront and its weather during the first full day of summer. (Photo by Tim Boyle/Getty Images)

I have always advocated for bicycling against traffic, with the reasoning being you can see the cars coming toward you. When you ride with traffic, which is technically the correct way, you can’t see approaching vehicles. I always feel like a sitting..or riding…duck.

Now, a new study in Finland finds walking and running “against” traffic, is the safest way.

The common mistake that puts runners in danger on the road

It's a showdown that plays out every day: Two runners approach each other on the shoulder, one running with traffic and the other against. Who is running in the correct direction? If there's a sidewalk, the law says that's where they should be.

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