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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Work Zone Devices

Approved Products

Select a state to see approved products.

MASH Implementation

Select a state to see Manual for Assessing Safety Hardware (MASH) implementation.

Temporary Traffic Control Devices Policy

Select a state to see temporary traffic control policies.

Alabama Approved Products

  • List of Qualified Materials, Sources and Devices

Alabama MASH Implementation

  • Memo SUBJECT: Implementation of MASH Standards for Routine Maintenance Activities

Alabama Temporary Traffic Control Devices Policy

  • 2022 Standard Specifications For Highway Construction (See Section 740 Traffic Control Devices For Construction Work Zones)
  • ALDOT Construction Manual, Division 700 Supplemental Guidance 1: Procedure for Traffic Control Through Construction Work Zones (See ALDOT Traffic Control Device Quality Guide)
  • Guidelines for Operation (see Subject: Temporary Traffic Control Devices starting on Page 216 of 341)

Alaska Approved Products

No Information Available

Alaska MASH Implementation

  • Chief Engineer’s Directive: Standard Drawings and Standard Modifications for W-Beam Barrier MASH Implementation

Alaska Temporary Traffic Control Devices Policy

  • Standard Specifications for Highways (See 643-3.04 Traffic Control Devices)
  • Alaska Construction Manual (See 9.8. Highway Traffic Control and Safety)

Arizona Approved Products

  • Approved Products List

Arizona MASH Implementation

  • Draft MASH Barrier Design Aids

Arizona Temporary Traffic Control Devices Policy

  • Standard Specifications for Road and Bridge Construction [See 701-2 Materials (Equipment, Workers, Devices and Facilities)]
  • ADOT Construction Manual (See Sections 701-3.02 to 701-3.08)
  • Traffic Guidelines and Processes (See Sub-Section 820 Work Zone Channelizing Devices)
  • Temporary Traffic Control Design Guidelines (See Temporary Traffic Control Elements)

Arkansas Approved Products

  • Qualified Product List

Arkansas MASH Implementation

  • Supplemental Specification: Traffic Control Devices in Construction Zones (MASH)

Arkansas Temporary Traffic Control Devices Policy

  • Arkansas 2014 Standard Specification for Highway Construction (See Section 604 – Traffic Control Devices In Construction Zones)
  • Supplemental Specification: Traffic Control Devices in Construction Zones (MASH)

California Approved Products

  • Authorized Materials Lists

California MASH Implementation

  • Implementation of the Manual for Assessing Safety Hardware (MASH)

California Temporary Traffic Control Devices Policy

  • Standard Specifications (See Section 12 Temporary Traffic Control)
  • Construction Manual (See 4-12 Temporary Traffic Control)
  • California Manual on Uniform Traffic Control Devices
  • Memorandum Subject: Design Information Bulletin (DIB) 91 Guidelines on the Use of Positive Work Zone Protection (PWP) & Mitigation Measures

Colorado Approved Products

  • Approved Products List

Colorado MASH Implementation

  • Manual for Assessing Safety Hardware (MASH) Related Memos

Colorado Temporary Traffic Control Devices Policy

  • Construction Specifications/Standard Specifications (See Section 614 Traffic Control Devices and Section 630 Construction Zone Traffic Control)
  • 2024 Construction Manual (See Section 614 Traffic Control Devices and Section 630 Construction Zone Traffic Control)
  • MUTCD 2009 Colorado Supplement Issued 12-6-2011 Revised 12-19-2022

Connecticut Approved Products

  • Qualified Product List

Connecticut MASH Implementation

  • MASH Implementation Update
  • Presentation: MASH Implementation Phase 1

Connecticut Temporary Traffic Control Devices Policy

  • Regulations of Connecticut State Agencies: Sec. 14-298-800. Uniformity
  • Standard Specifications for Roads, Bridges, Facilities, and Incidental Construction (Form 819) (See Section 8.22 Temporary Traffic Barrier and Section 9.71 Maintenance and Protection of Traffic)
  • Construction Manual (See 2-203 Safety and Traffic Control)

Delaware Approved Products

  • Approved Product Lists

Delaware MASH Implementation

  • 2021 DelDOT Lessons Learned Workshop: Guardrail/MASH Updates (See DelDOT’s MASH Implementation Status on Page 5 of 37)

Delaware Temporary Traffic Control Devices Policy

  • Standard Specifications (See Division 800 — Traffic)
  • Construction Manual (See Division E8.00 – Traffic)
  • Memorandum: Quality Guidelines for Temporary Traffic Control Devices

Florida Approved Products

  • Approved Products List

Florida MASH Implementation

  • Memo SUBJECT: MASH-16 Implementation Plan

Florida Temporary Traffic Control Devices Policy

  • Standard Specifications (See Section 102 Maintenance of Traffic)
  • Standard Plans (Look under Maintenance of Traffic)
  • FDOT Design Manual, [See 233 Intelligent Transportation Systems (ITS), 240.2.2 Temporary Traffic Control Devices, and 243 Portable Changeable Message Signs]
  • Plans Preparation Manual, Volume 1 (See Chapter 7 Traffic and ITS Design, 10.6 Temporary Traffic Control Devices, and 25.4.23 Highway Traffic Control Devices)

Georgia Approved Products

  • Qualified Products List 34: Work Zone Traffic Control Devices

Georgia MASH Implementation

  • Memo SUBJECT: Roadside Safety Hardware (Implementation of MASH Testing Criteria) AMENDED – October 15, 2018
  • Memo SUBJECT: W-Beam Terminals (June 30, 2018 – MASH Implementation)
  • Memo SUBJECT: GDOT Cast-in-Place Concrete Barrier Construction Standards
  • Qualified Products List (NCHRP-350/MASH TL-3 certified)

Georgia Temporary Traffic Control Devices Policy

  • 2021 Standard Specifications (See 104.05 Maintenance During Construction)
  • Special Provision, Section 150—Traffic Control
  • Construction Manual (See Chapter Seven – Traffic Control)

Hawaii Approved Products

No Information Available

Hawaii MASH Implementation

No Information Available

Hawaii Temporary Traffic Control Devices Policy

  • 2005 Standard Specifications (See Section 645 – Work Zone Traffic Control)

Idaho Approved Products

  • Qualified Products List

Idaho MASH Implementation

  • Memo SUBJECT: 2016 MASH Implementation

Idaho Temporary Traffic Control Devices Policy

  • Standard Specifications for Highway Construction (See Section 626 – Temporary Traffic Control)
  • Traffic Manual (See Chapter 6F. Temporary Traffic Control Zone Devices)

Illinois Approved Products

  • Material Approvals

Illinois MASH Implementation

  • 2024 Illinois Highway Standards for Traffic Control (See 1106.02 Devices starting on Page 107 of 141)

Illinois Temporary Traffic Control Devices Policy

  • Memorandum: Special Provision for Work Zone Traffic Control Devices
  • Standard Specifications (See Section 1106. Work Zone Traffic Control Devices)
  • 2024 Illinois Highway Standards for Traffic Control [See 1106.02 Devices on Page 107 and Work Zone Traffic Control Devices (BDE) on Page 139 of 141]
  • Traffic Control Field Manual (See Quality Standard for Work Zone Traffic Control Devices)
  • Safety Engineering Policy Memorandum, Safety 4-21: Work Zone Safety and Mobility Supplemental Policy- Moving Ahead for Progress in the 21st Century Act (MAP-21) and Subpart K to Title 23 CFR Part 630: Positive Protection of Workers, Drop-offs and Temporary Concrete Barrier (TCB)

Indiana Approved Products

  • Qualified Products Lists & Qualified Source Lists

Indiana MASH Implementation

  • Manual for Assessing Safety Hardware (MASH) and New W-beam Guardrail and Guardrail End Treatment Standards
  • Presentation: MASH Implementation of W‐Beam Guardrail

Indiana Temporary Traffic Control Devices Policy

  • Policies, Processes, and Procedures for Work Zone Safety and Mobility (See Device Quality Guidelines)
  • Standard Specifications (See Section 801 – Traffic Controls for Construction and Maintenance Operations and Section 923 – Temporary Traffic Control Devices)
  • Standard Drawings (See Division 800 – Traffic Control Device & Lighting)
  • Indiana Manual on Uniform Traffic Control Devices (MUTCD) (See Chapter 6F. Temporary Traffic Control Zone Devices)
  • Indiana Design Manual (See 503-3.05(01) Positive Protection and 503-7.0 Temporary Traffic Control Devices)

Iowa Approved Products

  • Approved Products List

Iowa MASH Implementation

  • INSTRUCTIONAL MEMORANDUMS: Traffic Barriers (Guardrail and Bridge Barrier Rail)
  • Design Manual, 8A-5 – Roadside Safety Hardware Assessment
  • Usage of Iowa DOT Standard Guardrail

Iowa Temporary Traffic Control Devices Policy

  • Standard Specifications With GS-23003 Revisions (See Section 4188. Traffic Control Devices)
  • Design Manual (See 9B Traffic Control Devices)
  • Construction Manual – Chapter 5 Safety (See 5.20 Construction Work Zone Traffic Control)

Kansas Approved Products

  • Prequalified Products

Kansas MASH Implementation

  • 2015 Standard Specifications, 805 – Work Zone Traffic Control & Safety
    (See Pages 1-2 of 11 for MASH testing requirements)

Kansas Temporary Traffic Control Devices Policy

  • Standard Specifications (See Section 805 – Work Zone Traffic Control & Safety)
  • Proposed Positive Protection Guidance for Kansas: Synthesis of Work Zone Positive Protection Devices and State of Practice

Kentucky Approved Products

  • List of Approved Materials

Kentucky MASH Implementation

  • Memo SUBJECT: Manual for Assessing Safety Hardware (MASH) Initial Implementation for Guardrail, Cast-in-Place Concrete Barriers and End Treatments Active Sepia List Implementation

Kentucky Temporary Traffic Control Devices Policy

  • Design and Construction Joint Memorandum: Guidance for the Implementation of SAFETEA-LU Subpart K to Title 23 CFR part 630 for Federal-Aid Highway Projects
  • Highway Design Guidance Manual (See HD-206.3.4 Positive Protection and Separation Devices)
  • Kentucky Standard Specifications (See Section 112 – Maintenance and Control of Traffic During Construction)
  • Construction Guidance Manual (See Traffic Control Through Highway & Street Work Zones on Page 55 of 897)

Louisiana Approved Products

  • Approved Materials List

Louisiana MASH Implementation

  • Memo SUBJECT: Bridge Design Technical Memorandum No. 76, Rev. 1 (BDTM.76.1) Publication of New (MASH) Highway Guard Rail Standard Plans (BD. l.l.1.0.01-.11, BD.1.1.2.0.01, BD.1.1.3.0.01) and New (MASH Compatible) Guard Rail Special Details (BD.2.6.5.1.01-.19, BD.2.6.5.2.01-.19)

Louisiana Temporary Traffic Control Devices Policy

  • 2016 Standard Specifications, 713 Temporary Traffic Control
  • 2016 Supplemental Specifications (See 713 Temporary Traffic Control)
  • Standard Plans (See TTC-00 through TTC-19)

Maine Approved Products

  • Qualified Products List

Maine MASH Implementation

  • Guardrail and Guardrail Terminal Policy

Maine Temporary Traffic Control Devices Policy

  • Transition of Work Zone Traffic Control Devices to MASH
  • MaineDOT Standard Specifications, Section 652 – Maintenance of Traffic
  • Supplemental Specifications (Scroll down and look for Work Zone Traffic Control Devices inside each Supplemental Specifications update)

Maryland Approved Products

  • Qualified Product List

Maryland MASH Implementation

  • Procedures for the Qualification of Arrow Panels
  • Procedure for the Qualification of Permanent Traffic Barrier End Treatments
  • Addendum to the Guidelines for Traffic Barrier Placement and End Treatment Design

Maryland Temporary Traffic Control Devices Policy

  • Temporary Traffic Control Device Quality Standards and Field Practices
  • Policy for the Use of Temporary Traffic Barrier in Work Zones
  • Standard Specifications for Construction and Materials (See Section 104 — Maintenance of Traffic)
  • Maryland Manual on Uniform Traffic Control Devices – 2011 Edition (See Chapter 6F. Temporary Traffic Control Zone Devices)

Massachusetts Approved Products

  • Qualified Traffic Control Equipment

Massachusetts MASH Implementation

  • ENGINEERING DIRECTIVE: Temporary Barrier Systems for Construction and Maintenance Operations (See Implementation of MASH Performance Requirements on Page 2 of 2)
  • ENGINEERING DIRECTIVE: MASH Compliant Permanent Impact Attenuators
  • ENGINEERING DIRECTIVE: F Shape Concrete Barrier for Permanent Use
  • ENGINEERING DIRECTIVE: Updated Standards for Guardrail and Guardrail End Terminals
  • ENGINEERING DIRECTIVE: Temporary Concrete Barrier Retrofitted to MASH TL-3

Massachusetts Temporary Traffic Control Devices Policy

  • Standard Specifications for Highways and Bridges (See Division II, Subsection 850: Traffic Controls for Construction and Maintenance Operations)

Michigan Approved Products

  • Qualified Products List

Michigan MASH Implementation

  • MDOT Guidance on Manual for Assessing Safety Hardware (MASH) Compliance for Temporary Traffic Control Devices in Work Zones

Michigan Temporary Traffic Control Devices Policy

  • Work Zone Safety and Mobility Manual (See 6.01.07 Temporary Barriers)
  • Work Zone Device Assessment
  • Roadside Safety Hardware Assessment and Implementation Plan
  • Standard Specifications for Highways and Bridges (See Section 922. Temporary Traffic Control Materials)
  • Materials Quality Assurance Procedures Manual (See 3.07 Temporary Trafffic Control Certification and Acceptance Procedure)

Minnesota Approved Products

  • Approved/Qualified Products

Minnesota MASH Implementation

  • Memo SUBJECT: Crashworthy Requirements of Temporary Traffic Control Devices

Minnesota Temporary Traffic Control Devices Policy

  • Work Zones – TTC Device Standards
  • MnDOT Standard Specifications for Construction 2020 (See Volume I, 1710 Traffic Control Devices and Volume II, 2564.3 Construction Requirements, A.2 Temporary Traffic Control)
  • Minnesota Manual on Uniform Traffic Control Devices (MN MUTCD) (See Chapter 6F. Temporary Traffic Control Zone Devices)

Mississippi Approved Products

  • Approved Lists

Mississippi MASH Implementation

  • Check List for Federal-Aid Projects: Section 904 – Notice to Bidders No. 2206: MASH Compliant Devices

Mississippi Temporary Traffic Control Devices Policy

  • Procedure for Managing Traffic Through Work Zones (See POSITIVE PROTECTION DEVICES on Page 6 of 7)
  • 2017 Standard Specifications (See Section 619 – Traffic Control for Construction Zones)

Missouri Approved Products

  • Materials

Missouri MASH Implementation

  • Engineering Policy Guide, 606.1 Guardrail
  • Engineering Policy Guide, 612 Impact Attenuators
  • End Terminals, Crash Cushions and Barrier Systems

Missouri Temporary Traffic Control Devices Policy

  • Engineering Policy Guide, 616.19 Quality Standards for Temporary Traffic Control Devices
  • Engineering Policy Guide, 616.6 Temporary Traffic Control Zone Devices (MUTCD 6F)
  • Engineering Policy Guide, Category:1063 Temporary Traffic Control Devices
  • Standard Specifications (See Section 1063 Temporary Traffic Control Devices)
  • Engineering Policy Guide, 617.1 Temporary Traffic Barriers

Montana Approved Products

  • Qualified Products List

Montana MASH Implementation

  • Memo SUBJECT: MASH Guardrail Implementation Guidance

Montana Temporary Traffic Control Devices Policy

  • Temporary Traffic Control Device Quality Construction Guidance
  • Standard Specifications (See Section 618 Traffic Control and Section 715 Traffic Control Devices)
  • Road Design Manual (See 10.5.1 Positive Protection)

Nebraska Approved Products

  • Approved Products List

Nebraska MASH Implementation

No Information Available

Nebraska Temporary Traffic Control Devices Policy

  • State Specification for Highway Construction (See SECTION 422 — TEMPORARY TRAFFIC CONTROL SIGNS AND DEVICES)

Nevada Approved Products

  • Qualified Products List

Nevada MASH Implementation

No Information Available

Nevada Temporary Traffic Control Devices Policy

  • Work Zone Safety & Mobility Implementation Guide (See 2.5.2 Positive Protection Devices)
  • Standard Specifications (See Section 625 Construction Signs and 716.03.01 Reflective Sheeting)
  • Signing, Striping, and Traffic Control Design Guide (See 6.4.7. Temporary Traffic Control Devices)

New Hampshire Approved Products

  • Qualified Products List

New Hampshire MASH Implementation

  • Roadside Safety Hardware Worthiness Compliance with NCHRP Report 350 and MASH (See Page 209 of 386)

New Hampshire Temporary Traffic Control Devices Policy

  • Positive Protection Guidance for Work Zones
  • Standard Specifications for Road and Bridge Construction (See Section 619 — Maintenance of Traffic)

New Jersey Approved Products

  • Qualified Materials

New Jersey MASH Implementation

  • NJDOT Guidance on Transition of MASH Implementation for Bridge Railings

New Jersey Temporary Traffic Control Devices Policy

  • Work Zone Safety Set-Up Guide
  • 2019 Standard Specifications for Road and Bridge Construction (See 159.03.02 Traffic Control Devices)

New Mexico Approved Products

  • Approved Products List

New Mexico MASH Implementation

No Information Available

New Mexico Temporary Traffic Control Devices Policy

  • NMDOT Design Manual (See 900 Work Zone Safety)
  • Standard Specifications for Highway and Bridge Construction (See Section 702: Construction Traffic Control Devices)

New York Approved Products

  • Materials and Equipment Approved List

New York MASH Implementation

  • Restrictions on Use of Weak-Post W-Beam, HPBO Terminals, and Half-Section Concrete Barrier
    [See AASHTO/FHWA Joint Implementation Agreement for the Manual for Assessing Safety Hardware (MASH) – Restrictions Effective in 2018 on Page 1 of 21]

New York Temporary Traffic Control Devices Policy

  • HDM Chapter 16 – Work Zone Traffic Control
  • Standard Specifications (See Section 619 – Work Zone Traffic Control and Section 729 Temporary Traffic Control Devices)
  • Standard Sheets (See 619)
  • Work Zone Traffic Control Manual

North Carolina Approved Products

  • Approved Products List

North Carolina MASH Implementation

  • Memo SUBJECT: Roadside Safety Hardware – MASH-16 Implementation Plan

North Carolina Temporary Traffic Control Devices Policy

  • Guidelines for the Use of Positive Protection in Work Zones
  • Transportation Management Plans Design Manual, Chapter 5: Positive Protection (Temporary Barriers)
  • Construction Manual, Division 11 Traffic Control, Section 1105 Temporary Traffic Control Devices
  • 2024 Standard Specifications for Roads and Structures (See Section 1105 Temporary Traffic Control Devices)

North Dakota Approved Products

  • Approved Products for Construction Materials

North Dakota MASH Implementation

  • Highway Barrier Pocket Guide

North Dakota Temporary Traffic Control Devices Policy

  • Standard Specifications for Road and Bridge Construction (See 704.03 Materials)
  • Design Manual (See Chapter III: Roadway Design, Section 18: Work Zone Traffic Control, III-18.04 Traffic Control Devices List)

Ohio Approved Products

  • Qualified Products List

Ohio MASH Implementation

  • Manual for Assessing Safety Hardware (MASH)​​​​

Ohio Temporary Traffic Control Devices Policy

  • Quality Standards for Temporary Traffic Control Devices (TTCDs) & Acceptable Delineation Methods for Vehicles
  • Traffic Engineering Manual (See 605 Temporary Traffic Control Zone Devices)
  • Traffic Engineering Manual, 1200 Zones and Studies (Includes information on positive protection)
  • Construction and Material Specifications (See Item 614 Maintaining Traffic)

Oklahoma Approved Products

  • Traffic Approved Products List

Oklahoma MASH Implementation

No Information Available

Oklahoma Temporary Traffic Control Devices Policy

  • Quality Standards for Temporary Traffic Control Devices*
    *Note: ODOT is working on finalizing the 2024 update.

Oregon Approved Products

  • Qualified Products

Oregon MASH Implementation

  • Traffic Control Devices Notice

Oregon Temporary Traffic Control Devices Policy

  • Traffic Control Plans Design Manual (See 1.9 Traffic Control Devices (TCD), Chapter 2 – Temporary Traffic Control Devices, and 3.4.1 Positive Protection)
  • 2024 Oregon Standard Specifications for Construction (See Section 00221 – Common Provisions for Work Zone Traffic Control and Section 00222 – Temporary Traffic Control Signs)

Pennsylvania Approved Products

Qualified Products List for Construction and Approved Products for Lower Volume Local Roads

Pennsylvania MASH Implementation

No Information Available

Pennsylvania Temporary Traffic Control Devices Policy

  • Publication 212: Official Traffic Control Devices
  • Publication 408/2020: Specifications (See Section 901—Maintenance and Protection of Traffic During Construction)
  • Publication 213: Temporary Traffic Control Guidelines

Puerto Rico Approved Products

No Information Available

Puerto Rico MASH Implementation

No Information Available

Puerto Rico Temporary Traffic Control Devices Policy

  • Specification 601 – Structural Concrete (See Specification 638 – Maintenance and Protection of Traffic on Page 391 of 537)
  • Supplemental Specification: Revisions to Standard Specification 638 – Maintenance and Protection of Traffic

Rhode Island Approved Products

  • Approved Materials List

Rhode Island MASH Implementation

No Information Available

Rhode Island Temporary Traffic Control Devices Policy

  • DPM 450.05 – Work Zone Safety and Mobility (See Positive protection devices on Page 24 of 30)
  • RIDOT Blue Book (See 104.08 Maintenance of Traffic, 107.09 Barricades and Warning Signs, Section 901 — Steel Beam Guardrail, and Section 922 — Temporary Construction Signs)
  • Rhode Island Standard Details

South Carolina Approved Products

  • Approved Products List for Traffic Control Devices in Work Zones

South Carolina MASH Implementation

  • Memo SUBJECT: Design Guidance for MASH and PreMASH Safety Hardware

South Carolina Temporary Traffic Control Devices Policy

  • Work Zone Traffic Control Manual
  • Traffic Control Devices
  • Standard Specifications for Highway Construction (See Division 600 – Maintenance and Control of Traffic)
  • Procedures and Guidelines for Work Zone Traffic Control Design

South Dakota Approved Products

  • Approved Products

South Dakota MASH Implementation

No Information Available

South Dakota Temporary Traffic Control Devices Policy

  • SDDOT Construction Manual, Chapter 15 – Work Zone Traffic Control (See POSITIVE PROTECTION on Page 10 of 11)
  • 2015 Standard Specifications for Roads and Bridges (See 984 Temporary Traffic Control Devices)
  • Supplemental Specifications to 2015 Standard Specifications for Roads and Bridges (See Section 984.1 on Page 64 of 68)

Tennessee Approved Products

  • Qualified Products List

Tennessee MASH Implementation

No Information Available

Tennessee Temporary Traffic Control Devices Policy

  • Work Zone Field Manual (See Temporary Traffic Control Devices on Page 15 of 178)
  • Work Zone Design Manual (See Chapter 5 Temporary Traffic Control Devices)
  • 2021 Standard Specifications (See Section 712 – Temporary Traffic Control)

Texas Approved Products

  • Compliant Work Zone Traffic Control Device List

Texas MASH Implementation

  • TxDOT MASH Implementation Timetable/Policy (Look in Roadway Design Manual, 17.2.2 Current TxDOT MASH Implementation Timetable/Policy)
  • Presentation: Bridge Railing MASH Updates
  • Presentation: MASH Requirements for Safety Hardware

Texas Temporary Traffic Control Devices Policy

  • Local Government Projects Policy Manual, Chapter 7: Plans, Specifications & Estimates (PS&E) Development, Section 3: Design – Traffic, Temporary Traffic Control Devices
  • Memo: Draft Revised “Work Zone Safety and Mobility Guidelines”
  • Local Government Project Management Guide (See 7.3.10 Temporary Traffic Control Devices and 9.3.8 Temporary Traffic Control Devices)

Utah Approved Products

  • Authorized Products List 

Utah MASH Implementation

No Information Available

Utah Temporary Traffic Control Devices Policy

  • UDOT Quality Guidelines for Temporary Traffic Control Devices
  • Use of Positive Protection Devices for Workers in Work Zones

Vermont Approved Products

  • Approved Products and Advanced Certifications

Vermont MASH Implementation

No Information Available

Vermont Temporary Traffic Control Devices Policy

  • Work Zone Safety and Mobility Guidance Document: Appendix A Temporary Traffic Control Device
  • TEI 18-605 – VTrans Quality Standards for Temporary Traffic Control Devices
  • TEI 16-600 – Use of Radar Speed Feedback Signs within Work Zones
  • Guidelines for the Use of Radar Speed Feedback Signs on the State Highway System
  • Guidelines for the Use of Portable Changeable Message Signs (PCMS), on Vermont State and U.S. Highways
  • Standard Specifications for Construction (See 107.08 Traffic Control Devices and 641.05 Traffic Control Devices)

Virginia Approved Products

  • Traffic Control Devices (TCD) Pre-Approved Listing

Virginia MASH Implementation

  • Clarification of MASH Guardrail Requirements

Virginia Temporary Traffic Control Devices Policy

  • Virginia Work Area Protection Manual (see Appendix A Guidelines for the Use of Barrier/Channelizing Devices in Work Zones)
  • Road and Bridge Specifications (See Division VII Traffic Control Devices)
  • Road and Bridge Standards (See Section 1300 – Traffic Control Devices)

Washington Approved Products

  • Qualified Products List

Washington MASH Implementation

  • MASH Implementation Tracking

Washington Temporary Traffic Control Devices Policy

  • Design Manual (See 1010.07 Temporary Traffic Control Devices and 1010.08 Positive Protection Devices)
  • Work Zone Traffic Control Guidelines for Maintenance Operations (See 1-6 Traffic Control Devices and Equipment)
  • Standard Specifications for Road, Bridge, and Municipal Construction (See 1-10.2(3) Conformance to Established Standards and SS 1-10 3(3) Traffic Control Devices)
  • Traffic Manual (See Chapter 5 Work Zone Traffic Control)
  • Construction Manual (See SS 1-10 2(3) Conformance to Established Standards and SS 1-10 3(3) Traffic Control Devices)

Washington D.C. Approved Products

No Information Available

Washington D.C MASH Implementation

No Information Available

Washington D.C Temporary Traffic Control Devices Policy

  • D.C. Temporary Traffic Control Manual: Guidelines and Standards (See Section 7 – Temporary Traffic Control Zone Devices)
  • Work Zone Management Manual (See Chapter 6F. Temporary Traffic Control Zone Devices)
  • Standard Specifications for Highways and Structures (See 612 Traffic Control)
  • Design and Engineering Manual (See 39 Construction Traffic Control, 39.4 thru 39.6)

West Virginia Approved Products

  • Division Approved Product Lists

West Virginia MASH Implementation

No Information Available

West Virginia Temporary Traffic Control Devices Policy

  • Manual on Temporary Traffic Control for Streets and Highways (See Chapter F. Temporary Traffic Control Zone Devices starting on Page 46 of 206)
  • Standard Specifications Roads and Bridges (See 636.9-Traffic Control Devices)
  • Design Directives (See Temporary Traffic Control Devices Final Rule on Page 434 of 666)
  • 2022 Construction Manual (See 636.2.9-Traffic Control Devices)

Wisconsin Approved Products

  • Approved products lists

Wisconsin MASH Implementation

  • General notices to contractors: MASH16 Temporary Crash Cushion Implementation Date

Wisconsin Temporary Traffic Control Devices Policy

  • 2024 Standard Specifications, Section 643 Traffic Control
  • Wisconsin Work Zone Field Manual 2021 (See Temporary Traffic Control Devices on Page 19 of 158)
  • Construction and Materials Manual (See 145.9 Traffic Control Devices)
  • Correspondence/Memorandum: Temporary Traffic Control Devices for Utility and Other Permitted Work
  • Work Zone Guidelines for Construction, Maintenance, and Utility Operations (See Traffic Control Devices on Page 4 of 62)
  • Facilities Development Manual, Chapter 11 Design, Section 50 Traffic Control

Wyoming Approved Products

No Information Available

Wyoming MASH Implementation

No Information Available

Wyoming Temporary Traffic Control Devices Policy

  • Standard Specifications (See Section 703 Temporary Traffic Control)
  • Construction Manual (See Section 703 Temporary Traffic Control)
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National Resources

Crashworthy Work Zone Traffic Control Devices

The Federal Highway Administration (FHWA) requires that all work zone traffic control devices on the National Highway System be crashworthy. This section provides links and information on national policy guidance, procedures for getting devices crash tested, and FHWA acceptance letters on the devices that have been deemed crashworthy.

FHWA

  • Countermeasures that Reduce Crash Severity website
  • Work Zone Devices website

Memos and Information Related to MASH Implementation

  • American Association of State Highway and Transportation Officials (AASHTO) Guidance
  • Memo SUBJECT: ACTION: Eligibility of Crash Cushion Devices (Manual for Assessing Safety Hardware [MASH]16 sunset date)
  • Memo SUBJECT: INFORMATION: Change to the December 31, 2018, sunset date in the AASHTO/FHWA Joint Implementation Agreement for the AASHTO Manual for Assessing Safety Hardware, 2016 Edition
  • Memo SUBJECT: INFORMATION: Change to the June 30, 2018, sunset date in the AASHTO/FHWA Joint Implementation Agreement for the AASHTO Manual for Assessing Safety Hardware, 2016 Edition
  • Memo SUBJECT: INFORMATION: Clarifications on Implementing the AASHTO Manual for Assessing Safety Hardware, 2016 Edition
  • Memo SUBJECT: INFORMATION: Clarification of Roles and Responsibilities in Implementing the AASHTO/FHWA Joint Implementation Agreement on the AASHTO Manual for Assessing Safety Hardware (MASH)
  • Memo SUBJECT: INFORMATION: AASHTO/FHWA Joint Implementation Agreement for Manual for Assessing Safety Hardware (MASH)
  • Memo SUBJECT: Eligibility of Construction and Highway Safety Equipment Acquisition Costs as a Direct Charge

AASHTO

  • MASH Implementation Information
  • Order Manual for Assessing Safety Hardware from AASHTO Store

Product Testing and Evaluation

This information provides links to websites of those agencies or programs that provide equipment testing or evaluation services. It also includes links to evaluation reports of products or technologies.

  • AASHTO – Product Evaluation & Audit Solutions
    Allows non-State government agencies and Associate AASHTO Members to access product evaluation and manufacturing audit data through an online repository called DataMine.

Guidance for Installation and Maintenance

  • Installing and Maintaining Crashworthy Work Zone Traffic Control Devices
    A guidance document developed by the American Road and Transportation Builders Association Work Zone Safety Consortium under an FHWA Work Zone Safety Grant

Disclaimer

Information provided by the National Work Zone Safety Information Clearinghouse does not necessarily reflect the views of the FHWA or the American Road & Transportation Builders Association-Transportation Development Foundation. References to specific resources or products do not imply endorsement by the clearinghouse or FHWA.

To submit information to be included in the equipment database, please contact us.

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