Electrical materials

Information and approvals for roadside electrical equipment used for lighting, traffic signal, and intelligent transportation systems (ITS).

This page provides information on pre-approved equipment for roadway lighting, traffic signal, and ITS equipment, including some additional clarification on evaluation criteria.

Use the links below to jump to a specific equipment section:

Pre-Approved Light and Signal Standards

LED Luminaires

Electrical and Communications Boxes and Vaults

ITS Proprietary (Sole-Source) Equipment

Pre-Approved Light and Signal Standards

Light and signal standards (poles) require an approved shop drawing for use in WSDOT systems. The following light and signal standards have pre-approved shop drawings on file for fabrication inspection and approval.

Type 1 Light Standards

ManufacturerDrawing Number(s)PagesPDFApproval DateNote(s)
Ameron (NOV)WA15LT3721, Rev. A2260KB9/28/2018 
Millerbernd Manufacturing, Co.74515-WA-LP1-SB, Rev. H3829KB10/21/2020Standard base plate (fixed and slip base)
Millerbernd Manufacturing, Co.74515-WA-LP1-ELBOW, Rev. J3513KB9/14/2020Standard pole with bridge elbow mount
Millerbernd Manufacturing, Co.74515-WA-LP1-BB, Rev. H2400KB9/14/2020Barrier mount base plate
Valmont Industries, Inc.DB01164, Rev. B5354KB10/22/2018 

 

Small Signal Standards (Type PPB, PS, I, RM, and FB Signal Standards)

ManufacturerDrawing Number(s)PagesPDFApproval DateNote(s)
Ameron (NOV)WA15TR10-1, Rev. C1124KB2/1/2019Type PPB, PS, I, RM, and FB; Fixed base
Ameron (NOV)WA15TR10-2, Rev. C1122KB2/1/2019Type PS, I, RM, and FB; Slip base
Ameron (NOV)WA15TR10-3, Rev. B190KB2/1/2019Type PPB; Breakaway base
Millerbernd Manufacturing, Co.74514-WA-PED-PPB, Rev. J2101KB3/30/2021Type PPB; Fixed base
Millerbernd Manufacturing, Co.74514-WA-PED-FB, Rev. J2131KB3/30/2021Type PS, I, RM, and FB; Fixed base
Millerbernd Manufacturing, Co.74514-WA-PED-SB, Rev. K2156KB3/30/2021Type PS, I, RM, and FB; Slip base
Valmont Industries, Inc.DB01165, Rev. B4321KB10/22/2018Type PPB, PS, I, RM, and FB

 

Type II and III Signal Standards

ManufacturerDrawing Number(s)PagesPDFApproval DateNote(s)
Ameron (NOV)WA15TR3724-1, Rev. C (Sheet 1) and
WA15TR3724-2, Rev. D (Sheet 2)
2202KB9/28/2018 
Millerbernd Manufacturing, Co.74516-WA-TS-II, Rev. L3296KB10/28/2021Type II
Millerbernd Manufacturing, Co.74516-WA-TS-III-J, Rev. L4339KB10/28/2021Type III
Valmont Industries, Inc.DB01162, Rev. B5387KB10/22/2018 

 

Type IV and V Signal Strain Poles

ManufacturerDrawing Number(s)PagesPDFApproval DateNote(s)
Ameron (NOV)WA15TR15, Rev. A2166KB9/17/2018 
Millerbernd Manufacturing, Co.74554-WA-SP-IV, Rev. H2342KB9/14/2020Type IV
Millerbernd Manufacturing, Co.74554-WA-SP-V, Rev. J3511KB9/14/2020Type V
Valmont Industries, Inc.DB01167, Rev. B2210KB10/22/2018 

 

Type CCTV Standards

ManufacturerDrawing Number(s)PagesPDFApproval DateNote(s)
Ameron (NOV)WA15CCTV01, Rev. B2166KB9/17/2018 
Millerbernd Manufacturing, Co.74577-WA-LC1, Rev. H2364KB9/14/2020Load Case 1
Millerbernd Manufacturing, Co.74577-WA-LC2, Rev. H2372KB9/14/2020Load Case 2
Millerbernd Manufacturing, Co.74577-WA-LC3, Rev. H3488KB9/14/2020Load Case 1; Bridge elbow mount
Valmont Industries, Inc.DB01166, Rev. C4280KB10/22/2018 

Load cases for CCTV Standards (see Standard Plan J-29.15) - numbers in parenthesis are quantities:

Load Case 1:

  • (1) top mount CCTV camera, 4 sq. ft., installed at 2 ft above pole top (additional height from camera mount assembly)
  • (1) radio dish, 12" dia., installed at pole top
  • (1) NEMA Cabinet, 1.33 sq. ft., installed 3 ft 8 in below pole top.

Load Case 2:

  • (1) top mount CCTV camera, 4 sq. ft., installed at 2 ft above pole top (additional height from camera mount assembly)
  • (2) side mount CCTV cameras, 0.54 sq. ft. each, installed at 1 ft and 2 ft below pole top
  • (2) NEMA Cabinets, 1.33 sq. ft. each, installed back to back at 3 ft 8 in below pole top.
  • (2) radio equipment, 2.25 sq. ft. each, installed at 2 ft and 9 ft below pole top.

 

LED Luminaires

LED Roadway Luminaires are classified by their High Pressure Sodium (HPS) wattage equivalent, as described in Standard Specification 9-29.10(1)B (see Division 9 of the Standard Specifications). The lists provided here are separated by luminaire form type, such as cobra-head or wall mount. It is important that you refresh this page every time you visit to ensure that you are getting the most up to date versions of any posted lists.

Each list includes effective approval dates for each luminaire. Previously approved luminaires are included in the superseded list, with an expiration date once they have been superseded. Contracts that have already been awarded may use any luminaire that has been approved at the time of award, including any from the current approved list and any from the superseded list that have an expiration date after the date of contract award. Contractors should include a copy of the list that they are using as part of any material submittals, with the applicable part number(s) highlighted.

Approved LED Luminaires

Conventional Roadway (Cobra-Head) Type

WSDOT Approved Cobra-Head LED Luminaires (PDF 162KB); publication date 04/10/2023

WSDOT Superseded Cobra-Head LED Luminaires (PDF 189KB); for historical reference only

As of April 10, 2023, WSDOT rescinded approval for AEL ATB0 Series luminaires.  Please see our letter explaining this rescinded approval here:

Wall Mount Type

WSDOT Approved Wall Mount Type LED Luminaires (PDF 28KB); publication date 02/18/2020

 

LED Luminaire Photometric Evaluation Criteria

To ensure that LED luminaires are interchangeable with both existing HPS inventory and future iterations of LED luminaires, LED Roadway Luminaires are categorized by Wattage Class. The criteria for evaluating and classifying LED luminaires, as well as copies of the AGi32 test grid files, are available here.

WSDOT Evaluation Criteria for LED Luminaires (PDF 111KB) Updated January 2021
WSDOT AGi32 Test Grids for Cobra-Head Type Luminaires (ZIP 2.32MB)

The AGi32 files provided here are for version 19 and later. Due to changes made by the software manufacturer starting with version 19, these files are not compatible with versions of AGi32 earlier than version 19.

Submitting a new LED luminaire for approval

To submit a new LED luminaire for approval, you must first make a request through the QPL System. Due to the amount of time needed for photometric and physical review and approval, new LED luminaires cannot be submitted as part of a construction contract - only pre-approved LED luminaires may be submitted.

Once the QPL process is started and an ID is provided, the photometric evaluation will be completed before any payments are requested. Do not send any payments until directed by the QPL Engineer.

Manufacturers and/or vendors submitting new LED luminaires through the QPL process for approval need to provide both of the following to complete the photometric evaluation:

  • The test grid files with the luminaire(s) to be evaluated loaded and all calculations run.
  • A results report as described in the evaluation criteria document.

WSDOT will re-run the AGi32 calculation files for verification. Once the photometrics have been verified to be run correctly and meet the required criteria, the submitter and the QPL Engineer will be notified and the QPL process will proceed to physical evaluation.

LED Luminaire wattage labels

Consistent with the LED wattage classification system, WSDOT uses a modified version of the standard ANSI/NEMA C136.15 label on LED luminaires. Details of this modified label are available here.

WSDOT ANSI/NEMA Labels for LED Luminaires (PDF 23KB)

Electrical and Communications Boxes and Vaults

Electrical and communications systems junction boxes (sometimes referred to as in ground "hand-holes") and utility vaults require an approved shop drawing for use in WSDOT systems. The following boxes and vaults have approved drawings on file with WSDOT and the applicable manufacturer for fabrication inspection and approval.  Approved drawings do not need to be submitted as part of any material approval package - the following are used for approval:

  • Standard boxes will be stamped as approved by WSDOT.
  • Polymer concrete boxes are required to be stamped with the primary drawing number / part number as listed in the tables below.

Boxes and vaults are broken down into three basic groups - use the links below to jump to that group:

Standard Duty Junction Boxes (Type 1, Type 2, and Type 8)

Heavy Duty Junction Boxes (Type 4, Type 5, and Type 6)

Utility Vaults (Pull Boxes, Small Cable Vaults, and Cable Vaults)

 

Standard Duty Junction Boxes

Type 1 Junction Boxes

ManufacturerDrawing Number(s)Approval DateNote(s)
ArmorcastA6000424ASR-HDG3/13/2020Polymer concrete box; Slip-resistant lid
ArmorcastA6000424AD-HDG3/13/2020Polymer concrete box; Galvanized lid
ArmorcastA6000424AD-PB3/13/2020Polymer concrete box; Standard lid
Fogtite IncorporatedJ-11 Type 1 L(ocking)8/11/2009 
H2 PrecastJunction Box - Type 15/13/2020 
Oldcastle Precast010-0650105-001 Rev. A12/6/2018Standard lid
Oldcastle Precast010-0650100-001 Rev. B3/29/2018Slip-Resistant lid
Quazite (Hubbell)PC1318Z500-1 Rev. M2/5/2018Polymer concrete box; Slip-resistant lid
Quazite (Hubbell)PC1318Z501-1 Rev. L2/5/2018Polymer concrete box; Standard lid
Quazite (Hubbell)PC1318Z507-1 Rev. B2/5/2018Polymer concrete box; Galvanized lid
CobaltCobalt 0013/20/2017Security lid only

 

Type 2 Junction Boxes

ManufacturerDrawing Number(s)Approval DateNote(s)
ArmorcastA6000425AD-HDG3/13/2020Polymer concrete box; Galvanized lid
ArmorcastA6000425ASR-HDG3/13/2020Polymer concrete box; Slip-resistant lid
ArmorcastA6000425AD-PB3/13/2020Polymer concrete box; Standard lid
Fogtite IncorporatedJ-11 Type 2 L(ocking)8/20/2009 
H2 PrecastJunction Box - Type 21/29/2021 
Oldcastle Precast010-0650115-001 Rev. A12/6/2018Standard lid
Oldcastle Precast010-0650110-001 Rev. B3/29/2018Slip-resistant lid
Quazite (Hubbell)PC1728Z500-1 Rev. M2/5/2018Polymer concrete box; Slip-resistant lid
Quazite (Hubbell)PC1728Z501-1 Rev. L2/5/2018Polymer concrete box; Standard lid
Quazite (Hubbell)PC1728Z507-1 Rev. B2/5/2018Polymer concrete box; Galvanized lid

 

Type 8 Junction Boxes

ManufacturerDrawing Number(s)Approval DateNote(s)
Fogtite IncorporatedType 8 J-Box10/3/2016 
H2 PrecastJunction Box - Type 85/13/2020 
Oldcastle Precast010-0650120-001 Rev. B3/20/2018 

 

Heavy Duty Junction Boxes

Type 4 Junction Boxes

ManufacturerDrawing Number(s)Approval DateNote(s)
Fogtite IncorporatedJ-11 Type 4 Heavy Duty8/16/2019Steel lid
H2 PrecastType 4 J-Box3/26/2019Ductile iron lid
Oldcastle Precast010-S122374-001 Rev. D4/14/2015Ductile iron lid
Oldcastle PrecastCC-0404 Rev. I11/14/2016Steel lid

 

Type 5 Junction Boxes

ManufacturerDrawing Number(s)Approval DateNote(s)
Fogtite IncorporatedJ-11 Type 58/16/2019Steel lid
H2 PrecastType 5 J-Box8/16/2019Ductile iron lid
Oldcastle Precast010-S122374-001 Rev. D4/14/2015Ductile iron lid
Oldcastle PrecastCC-0405 Rev. H11/14/2016Steel lid

 

Type 6 Junction Boxes

ManufacturerDrawing Number(s)Approval DateNote(s)
Fogtite IncorporatedJ-11 Type 68/16/2019Steel lid
H2 PrecastType 6 J-Box8/16/2019Ductile iron lid
Oldcastle Precast010-S131633-0024/18/2016Ductile iron lid
Oldcastle PrecastCC-0406 REv. G11/14/2016Steel lid

 

Utility Vaults

Standard duty and heavy duty pull boxes and cable vaults are listed together because they use the same lower box with either a standard duty or a heavy duty lid. There are no heavy-duty small cable vaults due to the design of the vault lid (not a separate reinforced assembly).

Pull Boxes

ManufacturerDrawing Number(s)Approval DateNote(s)
Fogtite Incorporated233 Standard Duty2/16/2017Standard Duty
Fogtite IncorporatedType 233 Pull Box (H35)8/7/2007Heavy Duty
Granite Precast2 x 3 WSDOT (HD) Electrical Vault1/31/2013Standard and Heavy Duty
H2 Precast233 Vault Base / 230-2436 Lid1/15/2020Standard Duty
H2 PrecastWSDOT 233 Vault Base / WSDOT 233 Lids3/26/2019Heavy Duty

 

Small Cable Vaults

ManufacturerDrawing Number(s)Approval DateNote(s)
H2 Precast25TA Vault (WSDOT)12/15/2015 
Oldcastle Precast010-X602410-001 Rev. E3/20/2018 

 

Cable Vaults

ManufacturerDrawing Number(s)Approval DateNote(s)
Granite Precast6 x 4 WSDOT (HD) Electrical Vault4/23/2012Standard and Heavy Duty
H2 Precast465 Vault Base / 460-23 Lid10/29/2024Standard Duty
H2 Precast465 Vault Base / 460-02 Lid10/29/2024Heavy Duty
Oldcastle Precast010-X806410-001/-003 Rev. G2/24/2021Standard Duty (-001 closed bottom;
-003 open bottom)
Oldcastle Precast010-X806410-002/-004 Rev. E7/30/2012Heavy Duty (-002 closed bottom;
-004 open bottom)

 

ITS Proprietary (Sole-Source) Equipment

Some equipment cannot be supplied through an open performance specification due to compatibility with existing software and equipment or similar issues. Where this is the case, proprietary approval for equipment in a specific application has been provided. This equipment is evaluated every two years at a minimum, with items that can be covered under an open performance specification moved from proprietary approval to QPL approval under the applicable standard(s).

The certification letter is available at the Design Guidance and Support page under the Proprietary Item Use section of the Tools, templates, and links tab.

ITS Proprietary Equipment List (Appendix A), effective 07/01/2023 (PDF 267 KB) (XLSX 38KB)
*Note: The XLSX file includes column filters.

Slow down on ice and snow.

It's easier to skid or lose control traveling at higher speeds. Give yourself more time to stop.

Carry chains, practice installing them.

Winter conditions could mean chains are required on your route. Practice putting them on your vehicle ahead of time.

Pack your winter car kit.

Carry extra supplies like warm clothing, ice scraper and brush, jumper cables and other emergency items.