
12 CHAPTER 1 INSTALLING THE SMARTSENSOR HD
Caution
Use caution when installing any sensor on or around active roadways. Serious injury
can result when installation is performed using methods that are not in accordance
with authorized local safety policy and procedures. Always maintain an appropriate
awareness of the trac conditions and safety procedures as they relate to specific
locations and installations.
Selecting the Mounting Height
Aer selecting a mounting location within the recommended range of osets (see the intro-
duction and Figure 1.1), use Table 1.1 to select a mounting height.
Recommended
Mount Area
1st Point of
Interest
Tilt Angle
35 ft.
25 ft.
30 ft.
26 ft.
Figure 1.1 – Recommended Mounting Height
Oset from first
Detection Lane (ft
/ m)
Recommended
Mounting Height
(ft / m)
Minimum Mount-
ing Height (ft / m)
Maximum Mount-
ing Height (ft / m)
6 / 1.8 12 / 3.7 9 / 2.7 19 / 5.8*
7 / 2.1 12 / 3.7 9 / 2.7 19 / 5.8*
8 / 2.4 12 / 3.7 9 / 2.7 20 / 6.1*
9 / 2.7 12 / 3.7 9 / 2.7 21 / 6.4
10 / 3 12 / 3.7 9 / 2.7 22 / 6.7
11 / 3.4 12 / 3.7 9 / 2.7 23 / 7
12 / 3.7 13 / 4 10 / 3 24 / 7. 3
13 / 4 13 / 4 11 / 3.4 25 / 7.6
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