How we know: standard widths come from local codes and builder practice; the measured median comes from the Driveway Size Report (not yet published driveways).
Standard driveway widths
| Driveway | Typical width | Comfortable width |
|---|---|---|
| Single car | 10 ft | 12 ft |
| Single car with a walkway along it | 12 ft | 14 ft |
| Two cars side by side | 20 ft | 24 ft |
| Three cars side by side | 30 ft | 36 ft |
| Long rural driveway (one lane) | 10 ft | 12 to 14 ft |
What we actually measure
The median width is 12 feet. Width changes along most driveways: it's often wider at the garage and flares where it meets the road. That's why a single width times length usually underestimates the area.
Minimum and maximum widths in local codes
Rules vary by city, and they usually apply where the driveway meets the street. A few real examples:
- San Ramon, California: minimum 10 feet; maximum 12 feet at the street for a one-car garage and 24 feet for a two-car garage. (code)
- Inver Grove Heights, Minnesota: residential driveways at least 9 feet of clear width. (code)
- New Orleans, Louisiana: a residential driveway to a garage is limited to 12 feet wide at the front property line. (zoning ordinance, Article 22)
Long driveways and turnarounds
A one-lane rural driveway is usually 10 to 12 feet wide; 14 feet is easier for delivery trucks and wide farm equipment. If cars meet head-on, add a pull-off about every 300 to 500 feet. A turnaround near the house is commonly about 10 x 20 feet.
Width for delivery trucks
A tandem dump truck needs about 10 feet of clear width and 13 to 14 feet of overhead clearance. If your driveway is narrower, or has low branches or a soft shoulder, say so when you order.
Measure yours
Trace your driveway and we'll show its area including every flare and bump-out.