Road and Driveway Designs

Road and Driveway Drawings and Specifications For Emergency Vehicle Access, Story Wyoming Fire District

Roads serving one dwelling unit shall meet the following:

A. Roadway shall be a total of 14' in width, including a 10' all-weather travel surface and 2' shoulders (each side), and a minimum of a 30' radius at centerline.

B. A maximum grade of 10% for straight sections, and 12% grade where the natural terrain bears between south 60degree East and South 45 degree West. Maximum grade of 8% curves with radius of less than 50' at centerline.

C. If the driveway is less than 50' the above (A and B) do not apply.

D. If the length of the road exceeds 150', a turnaround shall meet (template 1 or 2) standards.

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Roads serving more than one dwelling shall meet the following:

A. Roadway shall be a total of 20' in width, including a 16' all weather travel surface and 2' shoulders (template 3) to 16 units, or a total width of 14', including a 10' travel surface, with 2' shoulders on either side and pullouts at 150' intervals in accordance with (template 4).

B. A total roadway width of 24', including an 18' paved surface and 3' shoulders in accordance with (template 3) for roads serving 16 or more dwellings, or one or more non-residential units.

C. Grades shall be the same as for one dwelling roads/driveway identified above.

D. If the length of the driveway is less than 50' then A and B above does not apply.

E. If the length exceeds 150', a turnaround shall be provided in accordance with (template 1 or 2)

Driveway approaches and private road intersections with public roads shall meet the following:

A. Driveway approaches and private road intersections with public roads must comply with (template 5).

Template 1	Template 2
Template 3	Template 4
template 5