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

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 Superseded Jan. 10, 2003 by SS-358 and SS-359.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 Superceded by drawing SS-409.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ET-2000 PLUS (Superceded by ET-PLUS)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 Superseded by drawing SS-334 with revised Strut Assembly.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 Superceded by ET-2000 PLUS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:

High Tension Median Cable Barrier

Manufacturer Links