barrier warrants. potential hazards –bridge abutments/piers/approach railing –large drainage...
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Barrier Warrants
Barrier Warrants
• Potential Hazards
– Bridge Abutments/Piers/Approach Railing
– Large Drainage Structures– Non-Breakaway Sign and
Luminaire Supports– Embankments
Bridge Abutments/ Piers/Approach Railing
Large Drainage Structures
Non-Breakaway Sign and Luminaire Supports
Embankments
1:1.5
1:2
1:2.5
1:3
1:4
1:5
1:6
0.6
0.5
0.4
0.3
0.
2
0.
1
0.
0
Fill
Sect
ion S
lope (
b1 /
a1)
Barrier Warranted
Reci
pro
cal of
Fill
Sect
ion S
lope (
a1 /
b1)
0 10 20 30 40 50 60
FILL SECTION HEIGHT (ft.)
Traveled Way ShoulderFill Section Embankment
Heightb1 a1
Barrier Not Warranted For Embankment. However, Check Barrier Need For Other Roadside Obstacles.
Figure 5.1 - Comparative Risk Warrants for Embankments
X
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