Barrier Design Information
The barrier design information on this page is used in conjunction with the Roadway Design Construction Standard Drawings (C-Stds), the Roadway Design Guidelines and the Roadway Design Memorandums.
It is the responsibility of the user to use the most current standards for design.
Memos and Forms
- MASH Barrier Design Aids
- Barrier Technical Briefs
- Guardrail to Bridge Barrier Transition Summary Form Memo (Nov. 2, 2006)
- Guardrail to Bridge Barrier Transition Summary Form (Excel Spreadsheet)
- Guardrail and Slope Flattening Checklist Memo (Aug. 24, 2004)
- Guardrail and Slope Flattening Checklist
Design Information and Documents
Guardrail End Treatments - Manufacturer's Drawings
- See Construction Standard Drawings for End Terminal Pad Layouts
- SS 646 SoftStop Tangent Terminal MASH TL-3 (Steel Posts, 8” Blockouts) (11/14/2012)
- MSKT-SP-MGS8 MSKT Tangent Terminal MASH TL-3 (Steel posts, 8” Blockouts) (05/20/2017)
- MT3SIS8C4 Max-Tension Tangent Terminal MASH TL-3 (Steel Posts, 8” Blockouts (03/10/17)
- SGET-MASH-TL-3 (Steel Yielding Posts, 8" Blockouts) (March 10, 2020)
- MFLT MFLEAT Flared Terminal MASH Tl-3 (Steel Posts, 8" Blockouts) (04/10/19)
Historical Guardrail End Treatments - Manufacturer's Drawings
Historical guardrail end treatments are provided for maintenance of existing guardrail. Current guardrail end treatments are located in the tab above this one.
ET-PLUS
- S-334
- ET-PLUS 50'- 0" Plan, Elevation & Section, ARIZONA. NCHRP 350 Test Level 3, with 12'-6" Rails, 2 Post Sleeves without soil plate, and Angle Strut. Revised Oct. 25, 2002 to include concrete pad option. Superseded Jan. 10, 2003 by SS-358 and SS-359. This installation remains acceptable for maintenance.
- SS-358 - ET-PLUS (May 16, 2011)
- ET-PLUS Asphaltic Concrete Installation: 50' With 12'-6" Rail Panels and HBA Posts 1 and 2: Plan, Elevation and Section (Supersedes 06/30/06 and 01/23/03 drawings).
- SS-359
- ET-PLUS Concrete Pavement Installation - 50' With 12'-6" Rails and 8 Post Sleeves: Plan, Elevation and Section (Sept. 30, 2003). Superceded by drawing SS-409. This installation remains acceptable for maintenance.
- SS-409 ET-PLUS (Sept. 20, 2007)
- ET-PLUS Concrete Pavement Installation: 50' (Arizona) With 12'-6" Panels, 7 SYTP Posts in Tube Sleeves and 1 HBA Post on Concrete with "Leaveouts."
ET-2000 PLUS (Superceded by ET-PLUS)
- SS-171
- ET-2000 PLUS Plan, Elevation and Section. NCHRP 350 Test Level 3. With 12'-6" Rails and 2 Post Sleeves. Superseded by drawing SS-334 with revised Strut Assembly. This installation remains acceptable for maintenance.
ET-2000 LET
- SS-260
- ET2000-LET Plan, Elevation & Sections, Rev. 1. Superceded by ET-2000 PLUS
ET-2000
- SS-241
- ET-2000, Plan, Elevation & Sections, Option B, Rev. 1, Sheet 1 of 1. Superseded by ET-2000 LET, February 1996
- SS-244
- ET-2000, Option B Only Details, Rev. 2, Sheet 2 of 2
SRT Series
- SS-355 - SRT-350 (May 16, 2011) This installation remains acceptable for maintenance.
SRT Series (8 Post System)
- SS-444
- Slotted Rail Terminal Post Layout and Erection Details SRT-350. Superseded by 7 Post System (SS-355), May 22, 2002. This installation remains acceptable for maintenance.
SRT 350 (9 Post System)
- SS-428
- Slotted Rail Terminal SRT-350 Post Layout and Erection Details, (25', 9 Post) Rev. 2. Superseded by 8 Post System. This installation remains acceptable for maintenance.
FLEAT Series
FLEAT-350, Flared Energy Absorbing Terminal (FLT-US 1-1)
- FLT-W-US-AZ - FLEAT 350 (June 4, 2011) Superceeded by MFLEAT. This installation remains acceptable for maintenance.
- FLT-W-US
- Assembly (6'-3" Post Spacing) for Wood Breakaway Post System (Revised July 17, 2002)
- FLT-US
- Assembly: Superseded by FLT-W-US with 6'-3" Post Spacing. Post Spacing on FLT-US is still acceptable.
SKT Series
SKT-350 Sequential Kinking Terminal
- SKT-S-8US-AZ - LEAVEOUT - SKT-350 (Sept. 20, 2007)
- Sequential Kinking Terminal
- Concrete Pavement Application, Plug-Weld Steel Posts in Foundation Tubes
- Superseded by drawing MSKT-SP-MGS8. This installation remains acceptable for maintenance.
- SKT-W-2US-AZ - SKT-350 (June 4, 2011)
- Sequential Kinking Terminal
- Asphaltic Concrete Pavement Application, Assembly, 2 Foundation Tube Option, Wood Posts (Supersedes Nov. 26, 2002, drawings)
- Superseded by drawing MSKT-SP-MGS8. This installation remains acceptable for maintenance.
- SKT-W-8US-AZ Leaveout
- Concrete Pavement Application, 8 Foundation Tubes, Sept. 30, 2003. This drawing superseded by drawing SKT-S-8US-AZ LEAVEOUT. This installation remains acceptable for maintenance.
- SKT-2US
- Assembly, 2 Foundation Tube Option: Superseded by SKT-W-2US
ARTBA Barrier Hardware Drawings
Crash Cushion Information
Refer to the following resources for crash cushion selection and design:
- Approved Products List (APL Categories V-1 and V-3)
- Crash Cushion Selection Procedure (Dec. 19, 2018)
- MASH Barrier Design Aids
- ADOT Sand Barrel Array Detail (Det-10.29)
- QuadGuard M10 Assembly Manual
- Smart Cushion SCI100GM
- Big Sandy Sand Barrel
- Crashgard Sand Barrel
High Tension Median Cable Barrier
- Approved Products List (See Category V4A, V4B)
- Tension Cable Barrier
Manufacturer Links