Weekday mornings before the sun rises, lines form in parking lots from Garrisonville Road in Stafford County south to Gordon Road in Spotsylvania County.

These lines are about beating Interstate 95. And with gas prices around $4 a gallon, the lines are growing by the day.

The men and women are slugs, and they seek a quintessentially suburban experience: a fast and cheap commute to the Washington area. Solo drivers team up with two riders in the lot so they can use the high occupancy vehicle lanes. Click here to read more.

RELATED: Should slugs pay to ride? With soaring gas prices, should the protocol change?