Top Definition
The left-most lane on a highway. Designated for those who drive at least 10-15 mph over the speed limit. Lane is usually reserved for those who drive for purpose, know where they are doing, and refuse to drive slow.
Whenever I'm on I-95 I'm usually doing 90 mph in the business lane.
I'm really getting tired of these idiots driving in the business lane. Don't they know I'm trying to get somewhere?
by S.C. Branca December 10, 2007
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