4B)

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Bicyclists who hug the curb must weave into the traffic lane when encountering debris or parked cars. This invites crashes with motorists who cannot anticipate a sudden movement from bicyclists they cannot see because they are not riding in the road. "Curb huggers" also tend to get plenty of flat tires. Riding in the "door zone" is one of the most frequent causes of crashes on busy downtown streets. Please try again. BACK.