A Passing Pullout on a Long Driveway

A pullout is a widened bay so two vehicles can pass on a long, narrow drive. Size it for the vehicles you actually use, drain it, and add its tons to the paving order.

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Where a bay earns its place

On a long one-lane driveway, someone eventually meets a car coming the other way. Backing a long distance to the street is how edges get torn up and how people end up in the ditch. A pullout is a widened place with enough length for a vehicle to sit fully out of the through lane while the other passes. Put it where sight lines work, not on a blind crest or tight curve if you can choose otherwise. Do not make it a mud lot beside the pavement. If it is asphalt, it needs the same base as the drive, or it will rut where people turn into it. If it is gravel, confine the stone so it does not spill into the lane. There is no national standard length. Measure the longest vehicle that must wait, and add room to pull in and out without a three-point turn in the travel lane.

Drainage and base at the widening

The extra width changes where water goes. A pullout that is lower than the lane becomes a pond, and the pond becomes a pothole at the taper. Shape it so water continues to a real outlet. Build the taper long enough that a tire is not asked to hit a sudden edge in the dark. Compact stone in lifts. A planning figure of about 1.4 tons of compacted crushed stone per cubic yard is a way to talk to the quarry. Cubic yards are length times width times depth in feet, divided by 27. Confirm the factor. The asphalt layer uses its own tons: the bay's area times thickness, through AsphaltTons.com, at about 145 pounds per cubic foot as a planning default. Confirm the 140 to 150 range and the price with the plant. A measuring wheel can measure the bay and the taper. It is not a survey.

Paving the taper without a feather

The joint where the pullout meets the existing driveway should be cut vertical and tacked if you are tying to old pavement. Do not rake a thin flare onto the old surface and hope it stays. New construction can pave the lane and the bay together so there is no joint through the taper. Thickness should match the traffic. A bay used by delivery trucks needs a more serious section than a bay used so two cars can pass. Say which one you are building when you ask for a price. Sealcoat on the main drive does not strengthen a gravel pullout, and it does not stick well on a dirty taper that was never compacted. After the first season, look at the tapers. If they crack, the base at the widening was thin or the feather you hoped to avoid is exactly what got built.

A practical sequence

Choose a visible spot and a length that fits your longest waiting vehicle.
Shape drainage so the bay does not become a pond.
Add the bay and tapers to the stone order and the asphalt tonnage.
Tie to existing pavement with a vertical joint, not a feathered flare.

The mistake to skip

Widening a muddy shoulder with a thin smear of asphalt and calling it a pullout.

Questions people ask

How wide should the pullout be?

Wide enough for the waiting vehicle to clear the through lane, including mirrors. Measure the vehicles instead of copying a road manual you have not been told to use.

Can two small turnouts replace a full second lane?

Often yes, on a private drive, if drivers can see them in time. They do not replace a safe width at a blind curve.

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