CRASH CUSHIONS AND BARRIER END TREATMENTS
PART 1 GENERAL
1.1SECTION INCLUDES
A.Crash cushions with concrete pads, and barrier end treatments.
B.Crash cushion and barrier end treatment markers.
1.2RELATED SECTION
A.Section 02890: Retroreflective Sheeting
B.Section 03055: Portland Cement Concrete
1.3REFERENCES
A.UDOT Guidelines for Barrier and Attenuator Systems
1.4DEFINITIONS Not Used
1.5SUBMITTALS
A.Manufacturer certified installer certification for information.
B.Letter of certification for each system and each location affirming it is
installed according to Department’s and the manufacturer’s specifications, for information.
1.Use Form C-112 available on the Department’s Web site. Refer to
http://www.udot.utah.gov/go/standardsreferences.
C.Shop and installation drawings for each system type installed.
1.6CERTIFIED INSTALLER
A.Use manufacturer certified installer to perform the installation.
Crash Cushions and Barrier End Treatments
PART 2 PRODUCTS
2.1CRASH CUSHIONS AND BARRIER END TREATMENTS
A.Select from the approved products list within the UDOT Guidelines for
Crash Cushions and Barrier End Treatments.
1.Refer to the UDOT Guidelines Barrier and Attenuator Systems, for
specific uses and requirements for each approved system type. Refer to http://www.udot.utah.gov/go/standardsreferences.
2.Refer to CC Series Standard Drawings for crash cushion or end
treatment grading and marker requirements.
B.Crash Cushions
1.Type A, B, and D.
a.Supply system with an adequate width as shown.
b.Include additional fender panels, posts and hardware to gain
the required width for hazard protection greater than the manufactured width of a system.
c.Supply system for the required speed according to UDOT
Guidelines for Barrier and Attenuator Systems.
d.Galvanize steel parts according to manufacturer’s
requirements.
e.Supply transition element for the approach of opposing traffic
when system is installed with bi-directional traffic and the back of system is within the maximum required clear zone. 1) Two transition elements required when system is installed with W-beam median barrier.
f.Supply crash cushion markers. Refer to CC Series Standard
Drawings.
2.Type C
a.Galvanize steel parts according to manufacturer’s
requirements.
b.Supply double-sided W-beam transition element when
system is installed in conjunction with concrete barrier. Refer to BA 4 Series Standard Drawings.
c.Supply crash cushion markers. Refer to CC Series Standard
Drawings.
C.Barrier End Treatments
1.Type G and H
a.Supply post option as described in UDOT Guidelines for
Barrier and Attenuator Systems.
Crash Cushions and Barrier End Treatments
b.Supply system with 12½ ft galvanized W-beam rail elements
according to manufacturer’s requirements.
c.Supply manufacturer approved impact head and hardware.
d.Galvanize steel parts according to manufacturer’s
requirements.
e.Supply crash cushion markers. Refer to CC Series Standard
Drawings.
2.2CRASH CUSHION MARKERS
A.Marker plate and self-adhesive sheeting requirements:
1.Refer to CC Series Standard Drawings.
2.Construct marker plate 18 x 18 inch using 0.032 gauge aluminum
with appropriate object marker sheeting.
a.Drill a 7/16 inch hole in each corner of plate.
b.Sheeting – Refer to Section 02890.
1) Date placement specified in Section 02890 is not required.
3.Use of self-adhesive sheeting without marker plate. Sheeting –
Refer to Section 02890.
a.Date placement specified in Section 02890 is not required.
b.Use appropriate sheeting type for the substrate that sheeting
is placed on.
c.Place a minimum of 324 in2, typically 18 x 18 inch, on the
approach end of crash cushion or barrier end treatment.
d.Use of manufacturer’s supplied object marker sheeting is
acceptable when sheet type and amount meet or exceed requirements
B.Marker post 60 inch long and 2 inch outside diameter OD using black
polyethylene material
C.Flexible marker post 36 inch long and 2 1/2 inch outside diameter OD using
white or yellow polyethylene material, minimum 0.110 inch tube wall thickness.
2.3CONCRETE
A.AA(AE) – Refer to 03055
Crash Cushions and Barrier End Treatments
PART 3 EXECUTION
3.1INSTALLATION
A.Install crash cushion or barrier end treatment after final grading according
to the CC Series Standard Drawings has been verified by Engineer.
1.Construct concrete pad according to system requirements.
a.Crash Cushion Types A, B, and D require concrete pad
constructed to manufacturer’s requirements when installed in a permanent application.
b.Crash Cushion Type C and End Treatment Types G, and H.
1) Create block out hole by forming, saw cutting, or other similar method required when installing ground mounted system into asphalt or concrete.
2.Compact backfill material around posts and foundation tubes with
mechanical effort to match the density of the surrounding soil.
3.Install marker post. Refer to CC Series Standard Drawings.
a.Close top of marker post.
b.Drill three 7/16 inch mounting holes.
c.Apply three 4 inch bands of yellow sheeting. Refer to
4.Install flexible marker post. Refer to CC Series Standard Drawings.
a.Close top of marker post.
b.Apply two 4 inch bands of yellow sheeting. Refer to Section
02890.
c.Use a mechanical surface mounting system and install
according to manufacturer’s requirements. 1) Use a mounting system such that the marker post can be removed and replaced without disturbing the mounting base.
B.Install crash cushion and barrier end treatments according to:
1.CC Series Standard Drawings and UDOT Guidelines for Barrier
and Attenuator Systems.
2.Manufacturer’s specifications and recommendations.
END OF SECTION
Crash Cushions and Barrier End Treatments
Utah revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 730–733 of 1,331.
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