Residential Driveway Requirements
Width |
Driveway:
Roadway: |
12'
18’, or 12’ with turnouts every 500 feet. |
|
Surfacing |
0-5% grades:
5-15% grades:
15-20% grades: |
5" of Class II Baserock
5" baserock plus oil and screening
5" of concrete or 6" baserock plus 1.5" of asphalt |
|
Grades |
Maximum Grade:
Other: |
20%
Grades cannot exceed 15% for more than 200’ at a time. This includes vertical curves.
Maximum grade may increase to 25% when the furthest point of the house is no more than 150’ from the driveway’s intersection with the main road. |
|
Other Requirements |
Centerline Radius:
Turnarounds: |
35’ minimum
Check with your fire agency. |