*1 A rumble strip is a series of grooves in
the road pavement surface positioned
at specific intervals, and when the
vehicle passes over it a vibration and
rumble sound is produced which alerts
the driver that the vehicle is departing
from the lane.
The rumble sound is a reproduction of
the sound which occurs when a vehicle
passes over a rumble strip.
Rumble
Groove
: K H Q ' U L Y L Q J
L $ & 7 , 9 6 ( 1 6 (
*1 A rumble strip is a series of grooves in the road pavement surface positioned at specific
intervals, and when the vehicle passes over it a vibration and rumble sound is produced
which alerts the driver that the vehicle is departing from the lane.
The rumble sound is a reproduction of the sound which occurs when a vehicle passes
over a rumble strip.
Rumble
Groove
: K H Q ' U L Y L Q J
L $ & 7 , 9 6 ( 1 6 (
6 F K H G X O H G 0 D L Q W H Q D Q F H
NOTE
After the prescribed period, continue to follow the described maintenance at the
recommended intervals.
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