I thought it was common knowledge that drivers should always keep right unless it is to pass a slower driver.

YEAH, APPARENTLY NOT!

More and more drivers seem to be opting to stay in the left lane.   I see it everyday on the Magazine Hill, Highway 102 …almost everywhere I travel: LEFT HAND LANE HOGS!

Here is a great video by reformed left-hand-lane-hogger Ezra Klein (Vox.com)  to explain why left hand lane hoggers are possibly contributing to accident rates.

*Keep it between the lines,  Nicolle