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