| All links are PDFs, unless otherwise noted. A PDF reader is required |
| Front Cover |
|
i |
| Resolution Adopting Road Standards |
|
i |
| Record of Changes |
|
ii |
| Table of Contents |
|
iii |
|
|
|
| Introduction |
|
xv |
| Purpose |
|
xv |
| Document Overview |
|
xv |
| User's Guide |
|
xvi |
| Common Terms and Definitions |
|
xvii |
| Feedback and Changes |
|
xviii |
| |
|
|
| Tab A — Standard Road Plans — (11 MB zip) |
| Download entire set of Standard Plans from Tab A— Standard Road Plans link or by individual plans below |
| |
| GENERAL ROAD WORK (MISCELLANEOUS) |
| DRAWING TITLE |
STD. NO. |
PAGE |
| Minor Arterial and Major Collector - Urban |
A10A |
A-1 |
| Minor Arterial - Rural |
A10B |
A-2 |
| Connector, Major and Minor Collectors, and Local Connectors - Rural |
A10C |
A-3 |
| Minor Collector, Local Connector - Urban |
A10D |
A-4 |
| Local Road, Commercial or Industrial - Urban |
A10E |
A-5 |
| Local Road - Residential and Urban |
A10F |
A-6 |
| Local Road - Rural |
A10G |
A-7 |
| Private Minor Subdivision Road |
A10H |
A-8 |
| Landscaped Local Road - Healthy Neighborhood Street Design Exceptions |
A10I |
A-8a |
| Intersection Geometry |
A11A |
A-9 |
| Intersection Geometry - Notes |
A11B |
A-10 |
| Urban Cul-De-Sac |
A12 |
A-11 |
| Road Knuckle |
A13 |
A-12 |
| Bus Stop - Intersection Locations |
A14A |
A-13 |
| Bus Stop - Mid-Block Locations |
A14B |
A-14 |
| Bus Stop - Slab Detail |
A14C |
A-15 |
| Hammerhead "T" Turnaround, Urban |
A15 |
A-16 |
| Rural Cul-De-Sac |
A16 |
A-17 |
| Hammerhead "T" Turnaround, Rural |
A17 |
A-18 |
| Rural Road Grading Sections |
A18 |
A-19 |
| Improvement Plan Standard Notes - General Notes |
A20A |
A-20 |
| Improvement Plan Standard Notes - Notification for Inspections |
A20B |
A-21 |
| Improvement Plan Standard Notes - Grading Standard Notes |
A20C |
A-22 |
| Improvement Plan Standard Notes - Underground Construction |
A20D |
A-23 |
| Improvement Plan Standard Notes - Drainage |
A20E |
A-24 |
| Improvement Plan Standard Notes - Signing, Striping and Marking |
A20F |
A-25 |
| Improvement Plan Standard Notes - Signing, Striping and Marking (Continued) |
A20G |
A-26 |
| Improvement Plan Standard Notes - Lighting |
A20H |
A-27 |
| Improvement Plan Standard Notes - Preservation of Survey Monuments |
A20I |
A-28 |
| Traffic Index (TI) Chart for Flexible Pavements - Residential Roads |
A21 |
A-29 |
| Gravel Equivalents (GE) Chart for Flexible Pavements |
A22 |
A-30 |
| Survey Monument - Road |
A30 |
A-31 |
| Barricade - Road |
A31 |
A-32 |
| Barricade - Sidewalk |
A32 |
A-33 |
| Curb, Gutter, and Sidewalk |
A40A |
A-34 |
| Curb, Gutter, and Sidewalk - Notes |
A40B |
A-35 |
| Valley Gutter - Plan |
A41A |
A-36 |
| Valley Gutter - Road Profile |
A41B |
A-37 |
| Driveway Approach, Urban Roads |
A50 |
A-38 |
| Residential Driveway Approach, Rural Roads |
A51A |
A-39 |
| Commercial Driveway and Private Road Approach, Rural Roads |
A51B |
A-40 |
| Driveway Approach, Rural Roads - Notes |
A51C |
A-41 |
| Driveway Approach Profiles |
A52 |
A-42 |
| Driveway Approach Sight Distance |
A53 |
A-43 |
| Trench Restoration - Details |
A60A |
A-44 |
| Trench Restoration - Notes |
A60B |
A-45 |
| Trench Restoration - Notes (Continued) |
A60C |
A-46 |
| Road Widening/Paveout Detail |
A70 |
A-47 |
| Pavement Repair Detail - Side Road/Overlay Conform |
A71 |
A-48 |
| Pavement Repair Detail - Edge Grinding at Lip of Gutter |
A72 |
A-49 |
| |
| GENERAL ROAD WORK (DRAINAGE) |
| Mean Seasonal Precipitation, In Inches |
D10 |
A-50 |
| Intensity/Duration/Frequency Charts - Notes |
D11A |
A-51 |
| Intensity/Duration/Frequency Charts - Notes (Continued) |
D11B |
A-52 |
| Intensity/Duration/Frequency Charts - Covelo Eel River |
D11C |
A-53 |
| Intensity/Duration/Frequency Charts - Fort Bragg |
D11D |
A-54 |
| Intensity/Duration/Frequency Charts - Leggett |
D11E |
A-55 |
| Intensity/Duration/Frequency Charts - Point Arena |
D11F |
A-56 |
| Intensity/Duration/Frequency Charts - Ukiah, Lake Mendocino Dam |
D11G |
A-57 |
| Intensity/Duration/Frequency Charts - Willits Howard |
D11H |
A-58 |
| Runoff Coefficients for Rational Formula, Vegetated Areas |
D12 |
A-59 |
| Type "A" Catch Basin |
D20 |
A-60 |
| Type "B" Catch Basin |
D21 |
A-61 |
| Type "C" Catch Basin |
D22 |
A-62 |
| Precast Curb Inlet |
D30 |
A-63 |
| Gallery Inlet |
D31 |
A-64 |
| Drop Inlet |
D32 |
A-65 |
| Storm Drain Manhole |
D40A |
A-66 |
| Storm Drain Manhole - Notes |
D40B |
A-67 |
| Storm Drain Manhole Frame and Cover |
D41 |
A-68 |
| Storm Drain Manhole Precast Concrete Reducer Slab |
D42 |
A-69 |
| Curb Outlet, Type "A" |
D50 |
A-70 |
| Curb Outlet, Type "B" |
D51 |
A-71 |
| Corrugated Metal Pipe Drain Outlet |
D60 |
A-72 |
| Ditches, Concrete-Lined |
D61 |
A-73 |
| |
| GENERAL ROAD WORK (PLANTING AND IRRIGATION) |
| Corner Sight Distance Fence and Planting Requirements |
H10 |
A-74 |
| Tree Planting - Sidewalk Areas |
H11A |
A-75 |
| Tree Planting - Parkway Areas |
H11B |
A-76 |
| Tree Planting - Shoulder Areas |
H11C |
A-77 |
| Tree Planting - Notes |
H11D |
A-78 |
| |
| GENERAL ROAD WORK (TEMPORARY FACILITIES) |
| Traffic Control System for Construction Zones - Details |
T21 |
A-79 |
| Traffic Control Requirements |
T22A |
A-80 |
| Traffic Control Requirements (Cont.) |
T22B |
A-81 |
| |
| ROADSIDE SIGNS |
| Roadside Sign Location, Urban Areas |
RS10 |
A-82 |
| Roadside Sign Location, Rural Areas |
RS11 |
A-83 |
| Street Name Sign Detail |
RS20 |
A-84 |
| Street Name Sign Location |
RS21 |
A-85 |
| |
| SIGNALS, LIGHTING, AND ELECTRICAL SYSTEMS |
| Signal and Lighting - Conduit & Pull Box Details |
ES10 |
A-86 |
| Signal - Detector Loops |
ES40 |
A-87 |
| Signal - Electrical Service Wiring Diagram |
ES41 |
A-88 |
| |
|
|
| Tab B - Standard Road Specifications |
|
| Tab C - Road Design Standards |
|
Tab Ca - Low Impact to Hydrology Guidelines
Alternative Design Standards |
|
| Tab D - Drainage Design Standards |
|
| Tab E - Traffic Design Standards |
|
| Tab F - Street Light Design Standards |
|
| Tab G - Completeness of Plans and Maps |
|
| Tab H - Exception Procedures |
|
| Download the Complete Standards — (12 MB zip) |
—