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Standard Drawings, Revised December 2014

The Standard Drawings are for use on Idaho Transportation Department (ITD) projects. ITD is not responsible for their use by other parties.

For questions, comments, or suggestions about specific Standard Drawings, please contact the Standards Engineer at (208) 334-8528.

ITD Standard Drawings are available in pdf format (Click here to download Adobe Acrobat Reader). Standard Drawing Lists are available in MicroStation V8i format (Click here to download Bentley View to view MicroStation files).

All Standard Drawings in sequence for printing
Standard Drawings Change Log
Standard Drawing List - Sheet 1 (dgn) (pdf)
Standard Drawing List - Sheet 2 (dgn) (pdf)

Previous Standard Drawing Releases

Links to other ITD Standards and Details:
Standard Details
Standard Specifications for Highway Construction
Bridge CADD Drawings
Sign Design Files

Click a row to Select that Standard Drawing - It will appear in a new table of 'Selected' items.
Click a Standrd Drawing in the table of 'Selected' items to remove it from the list.
Use the drop down list to search by section, there is an option to view only 'Selected' items as well.


Selected Items PDF Drawing Date Required Drawings
A Series PDF Drawing Date Required Drawings
A-1 Freeway Grading pdf 07/2009 None
A-2 Rural Principal Arterial Grading pdf 07/2009 None
A-3 Rural Minor Arterial Grading pdf 07/2009 None
A-4 Rural Major Collector Grading pdf 07/2009 None
A-5 Superelevation pdf 03/2005 None
A-6 Typical Roadside Slope treatment pdf 07/2009 None
A-7 Median Crossovers pdf 03/2005 None
A-8 Standard Template pdf 05/2013 None
A-9 ITD Roadway Nomenclature Location & Examples pdf 10/2010 None
A-10 Parabolic Crown pdf 10/2010 None
C Series PDF Drawing Date Required Drawings
C-1-A-1 Urban Concrete Pavement Details pdf 10/2011 None
C-1-A-2 Manhole Collars (PCC Pavement Roundouts) pdf 10/2011 E-9
C-1-B Doweled Concrete Pavement Details pdf 05/2013 None
C-1-C Ramp Gore Details pdf 10/2011 C-1-B
C-2-A Shoulder Rumble Strips and Rumble Stripes pdf 05/2014 None
C-2-C Centerline Rumble Strips for Two-Way Roadways pdf 09/2011 None
D Series PDF Drawing Date Required Drawings
D-1-A Runoff Drain or Embankment Protector pdf 10/2010 None
D-1-B Runoff Drain or Embankment Protector with Slotted Drain pdf 01/2013 D-5
E-6-H
D-2-A Culvert Inlet Headwall pdf 12/2012 None
D-3-C Metal Safety Slope Aprons pdf 12/2012 None
D-4-A Watertight Coupling Bands for Corrugated Metal Pipes pdf 03/2005 None
D-4-B 12" thru 30" Slotted Drain pdf 12/2012 D-4-A
D-4-C Edge Drain pdf 05/2014 None
D-5 Galvanized Steel Aprons for Pipe Culverts pdf 03/2005 None
D-5-A Concrete Aprons for Pipe Culverts pdf 12/2012 None
D-6 Precast Concrete Headgate pdf 03/2005 None
D-7 Concrete Headwall for Twin Pipe Culverts pdf 03/2005 None
D-8 Concrete Headwall for Single Pipe Culvert pdf 03/2005 None
D-9 Concrete Headwall for Arch Pipe Culvert pdf 03/2005 None
D-10 Concrete Headwall for Siphons pdf 12/2005 None
D-12 Pipe & Conduit Installation pdf 05/2014 None
D-13 Conduit Installation for Existing Roadways & Approaches pdf 01/2005 D-12
E Series PDF Drawing Date Required Drawings
E-6-A Inlets & Catch Basins Types 1, 2, & 3 pdf 11/2008 None
E-6-B Inlets & Catch Basins Types 1A, 2A, & 3A pdf 11/2008 None
E-6-C Inlets & Catch Basins Types 4 & 5 pdf 11/2008 None
E-6-D Catch Basin Type 6 pdf 11/2008 None
E-6-E Catch Basin Type 7 pdf 11/2008 None
E-6-F Inlet Type 8 pdf 11/2008 None
E-6-G Inlet Median Drain Type 9 pdf 10/2010 None
E-6-H Catch Basin Type 10 pdf 01/2013 D-1-B
E-7 Manhole Type A pdf 10/2010 E-9
E-7-C Manholes Type C & D pdf 05/2007 E-9
E-8 Manhole Type B pdf 05/2007 E-9
E-9 Standard Manhole Frame, Cover, & Concrete Collar pdf 10/2010 None
F Series PDF Drawing Date Required Drawings
F-1-A Cattle Guard Type A pdf 12/2012 None
F-1-B Cattle Guard Type B pdf 12/2005 None
F-1-C Cattle Guard Type C, Painted Cattle Guard pdf 12/2012 None
F-2-A Standard Barbed, Woven, Mesh, Combination Wire Fences, & Fencing Details pdf 12/2012 None
F-2-B High Tension 8 Wire Fence pdf 12/2012 None
F-2-C Gate Types 1, 1A, & 2 pdf 01/2013 F-2-A
F-2-D Chain Link Fence - Fence Type 4 pdf 01/2013 None
F-2-E Wildlife Fence - Fence Type 9 pdf 10/2005 None
G Series PDF Drawing Date Required Drawings
G-1-A-1 Guardrail Slope treatment Types A & B pdf 08/2011 None
G-1-A-2 W-Beam Guardrail Installation Assemblies pdf 12/2010 None
G-1-A-3 W-Beam Guardrail Post, Blockouts, & Hardware pdf 12/2010 None
G-1-A-4 Guardrail Bolting Hardware for W-Beam & thrie Beam pdf 04/2006 None
G-1-A-5 Thrie Beam Guardrail pdf 10/2010 None
G-1-B Guardrail Terminals Type 1 & 1-A pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-C-1 Guardrail Terminal Type 2-A, With 10:1 or Flatter Foreslope pdf 12/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-C-2 Guardrail Terminal Type 2-B for Less than 10:1 to 6:1 Foreslope pdf 12/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-E Guardrail Terminal Type 3 pdf 08/2011 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-A-5
H-1-A
G-1-F-1 Guardrail Terminal Type 5 Alternate "A" pdf 05/2006 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-F-2 Guardrail Terminal Type 5 Alternate "B" pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-G Guardrail Terminal Type 6 Options 1, 2, & 3 (Bullnose Guardrail System) pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-A-5
G-1-H Guardrail Terminals Type 7 & 8 pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-I Guardrail Terminal Type 11 pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-J Guardrail Terminal Types 4-A & 4-B pdf 05/2006 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
R-2
G-1-K Guardrail Terminal Type 9 pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-L Guardrail Installation for Minor Structures & Large Culverts pdf 12/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-M Guardrail Terminal Type 10 pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-1-N Guardrail Terminal Type 12 pdf 10/2010 G-1-A-1
G-1-A-2
G-1-A-3
G-1-A-4
G-2-A Concrete Barrier Terminals pdf 12/2014 None
G-2-A-1 20' Concrete Barrier pdf 05/2014 None
G-2-A-2 10' Concrete Barrier pdf 05/2014 None
G-2-C Concrete Parapet to Thrie Beam Guardrail Connector pdf 11/2013 G-1-E
G-2-D Concrete Barrier to Thrie Beam Guardrail Connector pdf 11/2013 G-1-E
G-2-H Special Cast-in-place Concrete Barrier pdf 05/2013 None
G-2-I-1 Tall Concrete Median Barrier pdf 05/2013 None
G-2-I-2 Tall to Standard Concrete Barrier transition pdf 05/2013 None
G-3-A Delineators pdf 05/2014 None
G-3-B Snow Poles pdf 05/2014 G-3-A
H Series PDF Drawing Date Required Drawings
H-1-A Curb and Gutter pdf 12/2014 None
H-1-B Sidewalks, Islands, and A.D.A. Curb & Gutters pdf 08/2011 None
H-2-A Sidewalks & A.D.A. Facilities: New Construction pdf 10/2011 H-3
H-2-B Sidewalks & A.D.A. Facilities: Retrofit Applications pdf 11/2011 None
H-2-C Pedestrian Pushbutton Placement pdf 06/2014 None
H-3 Urban Approaches & Concrete Sidewalk pdf 09/2010 H-1-A
H-1-B
H-4-A Rural Approaches (Private, Commercial, & Public) pdf 06/2007 None
H-4-B Mailbox Turnout & Installation pdf 01/2013 H-4-A
H-5-A Mailbox Assemblies & Mounting Hardware pdf 01/2013 G-3-A
H-4-B
H-5-B Mailbox Snow Shield pdf 08/2011 None
I Series PDF Drawing Date Required Drawings
I-2-A Monument Markers & Witness Posts pdf 12/2012 G-3-A
I-2-B Street Monument Marker & Installation pdf 12/2012 I-2-A
I-5 Loop Detectors 10 ft/sec2 Deceleration Rate pdf 07/2010 None
I-6-A Mast Arm traffic Signal Poles pdf 04/2014 H-2-C
I-6-B Frangible Cast Base traffic Signal Poles pdf 04/2014 H-2-C
I-7-A-1 Signal Cabinet & Service Pedestal Foundation Details pdf 06/2014 None
I-7-A-2 Signal Cabinet Foundation Detail pdf 06/2014 None
I-7-B-1 Electronic Cabinet Foundation Detail pdf 04/2014 None
I-7-B-2 Electronic Cabinet & Service Pedestal Foundation Detail pdf 04/2014 None
I-7-C-1 Mast Arm Signal Pole, Lighting Pole and Pedestrian Pole Foundation Details pdf 04/2014 I-7-C-2
I-7-C-2 Mast Arm Signal Pole, Lighting Pole and Pedestrian Pole Foundation pdf 11/2014 I-7-C-1
I-8-A-1 Breakaway Sign Post Installation Type A-1 pdf 12/2013 I-8-A-2
I-8-A-2 Breakaway Sign Post Installation Type A-1 pdf 11/2014 I-8-A-1
I-8-B-1 Breakaway Sign Post Installation Type A-2, A-3, & A-4 pdf 12/2013 I-8-B-2
I-8-B-2 Breakaway Sign Post Installation Type A-2, A-3, & A-4 pdf 11/2014 I-8-B-1
I-8-C-1 Breakaway Sign Post Installation Type A-8 & A-9 pdf 12/2013 I-8-C-2
I-8-C-2 Breakaway Sign Post Installation Type A-8 & A-9 pdf 11/2014 I-8-C-1
I-8-D-1 Breakaway Sign Post Installation Type B-2 pdf 11/2014 I-8-D-3
I-8-D-2 Breakaway Sign Post Installation Type B-3 & B-4 pdf 11/2014 I-8-D-3
I-8-D-3 Breakaway Sign Post Installation Type B-2, B-3, & B-4 pdf 07/2010 I-8-D-1
I-8-D-2
I-8-E Breakaway Sign Posts Type D pdf 12/2013 None
I-8-F Breakaway Sign Posts Type E pdf 12/2013 None
I-9-A-1 B Post and Brace Angle Detail pdf 12/2013 I-9-A-2
I-9-A-2 B Post and Brace Angle Detail pdf 12/2013 I-9-A-1
I-9-B Cardinal Route Marker Assemblies pdf 09/2010 I-8-D-1
I-8-D-2
I-8-D-3
I-9-C Route Marker Bracket Details pdf 12/2013 None
I-10-A Extruded Aluminum Signs pdf 11/2014 None
I-10-B Exit Number Panels pdf 11/2014 I-10-A
I-11-A Standard Route Markers pdf 12/2013 I-12-F
I-11-C Route Marker Auxiliary Panels pdf 12/2013 I-12-F
I-12-A Standard Regulatory Signs pdf 12/2013 I-12-F
I-12-D Standard Warning Signs pdf 12/2013 I-12-F
I-12-F Punching Schedule for Type "B" or Type "E" Signs pdf 07/2014 None
I-13-B Interstate Exit Number Panels E1-5 pdf 12/2013 None
I-20 Mileposts pdf 12/2013 None
I-21-A Standard Pavement Markings for Arterial and Collector Roadways pdf 07/2010 None
I-22-A Standard Pavement Markings, Freeways with 22 Foot Wide Ramps pdf 11/2014 None
I-22-B Standard Pavement Markings, Freeways with 26 Foot Wide Ramps pdf 11/2014 None
P Series PDF Drawing Date Required Drawings
P-1-A Temporary Erosion Control Slope Drains pdf 11/2013 D-4-A
D-5
P-1-D
P-1-E
P-1-B Temporary Sediment Control Barriers pdf 02/2013 P-1-D
P-1-C Temporary Sediment Trap pdf 11/2013 P-1-D
P-1-D Temporary Erosion Control Diversion Devices & Site Example pdf 12/2012 None
P-1-E Temporary Sediment Control Berms Dikes, and Swales pdf 02/2013 P-1-D
P-1-F Erosion and Sediment Control for Temporary Roads pdf 12/2012 P-1-D
P-1-H Temporary Sediment Control Inlet Protection pdf 02/2013 P-1-D
P-2-A Erosion and Sediment Control Gabions and Revet Mattresses pdf 02/2013 None
P-2-B Sediment Control Rock Check Dam Types pdf 02/2013 P-2-A
P-2-C Permanent Erosion Control Slope & Channel Protection pdf 11/2014 P-2-A
P-2-D Chutes and Flumes pdf 10/2010 P-2-A
P-2-F Permanent Erosion Control Culvert Outlet Protection pdf 10/2010 P-2-A
P-3-A Sediment Control Box (Catch Basin) pdf 10/2011 None
P-3-B Water Pollution Control Sediment & Oil trap pdf 10/2011 E-9
P-3-D Water Pollution Control In Street Sediment & Oil trap pdf 12/1995 E-7-C
E-9
P-3-E Vehicle and Equipment Washdown pdf 12/2012 P-1-D
P-4-A Erosion, & Sediment Control Retention Basin pdf 10/2010 None
P-5-A Petroleum Storage Area pdf 11/2013 P-1-E
P-5-B Temporary Concrete Washout pdf 11/2013 None
R Series PDF Drawing Date Required Drawings
R-1-A Highway - Railroad Grade Crossing Signal Type 1 pdf 07/2010 None
R-1-B Highway - Railroad Grade Crossing Signal Type 2 pdf 07/2010 None
R-1-C Highway - Railroad Grade Crossing Signal Type 3 pdf 03/2004 None
R-2 Highway - Railroad Grade Crossing Area pdf 03/2004 None
Page Last Modified: 12/8/2014 5:35:34 PM

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Idaho Transportation Department
3311 W. State Street ยท P.O. Box 7129
Boise, ID 83707-1129