Outdoor Developed Areas: A Summary of Accessibility Standards for Federal Outdoor Developed Areas
Running Slope [1016.7.1]
Running slope, also referred to as grade, is the lengthwise slope of an ORAR, parallel to the direction of travel. ORAR sections of any length may be constructed with a running slope up to 1:20 (5 percent). To accommodate steep terrain, ORARs may be designed with shorter sections that have a steeper running slope and length, as shown in table 3, with resting intervals at the top and bottom of each section. The running slope of any section of an ORAR must never exceed 1:10 (10 percent).
| Running Slope of Segment of Outdoor Recreation Access Route | Maximum Length of Segment | |
| Steeper Than | But Not Steeper Than | |
| 1:20 (5%) | 1:12 (8.33%) | 50 feet |
| 1:12 (8.33%) | 1:10 (10%) | 30 feet |
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