Deschutes County Unincorporated
City Zoning Code
City Zoning Code
CHAPTER 18
67A TABLE; TUMALO ROAD DEVELOPMENT STANDARDS 1
| Road Class/Zone District | Right-of-Way Width | Pavement Width (5) | Travel Lane Width | On-Street Parking (13) | Shoulder | Drainage Swale (7,10) | Sidewalk | Pavement Type | Base Depth (4) | Maximum Grade (6) | Design Speed |
| Arterial | |||||||||||
| US 20 | 80'-100' | 60' | 12' | Not Allowed | 6' paved | Not Required | Not Required | (see note #3) | 6% | (see note #3) | |
| Collector | |||||||||||
| Rural | 60' | 36' | 12' | Not Allowed | 6' paved | Not Required | Not Required | 3" AC | 8" | 8% | (see note #2) |
| Commercial | 60' | 30' | 10' | Allowed | 5' paved | Required | Required (8) | 3" AC | 8" | 8% | (see note #2) |
| Local | |||||||||||
| Commercial | 60' | 20' | 10' | Allowed | Part of swale | Not Required (9) | Not Required (8,9) | 3" AC | 8" | 8% | (see note #2) |
| Residential | 60' | 20' | 10' | Allowed | 4' gravel | Not Required | Not Required | 0-9 or 2" AC | 6" | 10% | (see note #2) |
| Other | |||||||||||
| Alley (Commercial) | 60' | 20' | 10' | Allowed | Allowed | Not Required | Not Required | 3" AC | 6" | 10% | (see note #2) |
| Path/Trail | 15' | 6' unpaved 8'-10'paved | -- | -- | graded 2' min. if paved | -- | -- | 2" AC | 4" | 5% | -- |
(1) These design specifications are intended to guide new construction and any required improvements to existing facilities. (2) Design shall be in accordance with AASHTO standards. (3) Design shall be in accordance with Oregon Department of Transportation Design Standards. (4) Required base depth may be increased when C.B.R. or R-valve is required by the Department of Public Works. (5) Cul-de-sac bulb to be paved with a 45-foot minimum radius. (6) Increase in grade of 2 percent may be allowed in unusually steep areas. (7) Widths are variable, but in no case shall a swale be less than 8 feet in width. (8) 5-foot curbless sidewalks with a drainage swale required on both sides of the road. (9) 5-foot curbless sidewalks with drainage swales only required on those road segments designated for sidewalks (see Tumalo Comprehensive Plan Map D2). (10) Where drainage swales are not required, the standards for drainage in Title 17, Chapter 17.48 shall still apply. (11) Frontage roads shall be in accordance with Table A contained in Title 17, Chapter 17.48 of the Deschutes County Code. (12) Private roads shall be constructed in accordance with Table 18-67-A standards for local roads. (13) Where allowed, parking must be off pavement.