Transcript Driving under the influence

Drivers
Education
Key Terms
and
Definitions
 Absolute
speed limit-the max or min
posted speed at which one may drive
under normal conditions in good weather.
 Actual
physical control- (will be on the
test) a person can be charged with
driving under the influence (DUI) of
alcohol or some other drug if they have
the ability to move their vehicle.
 Advisory
speed limit-a speed limit that
advises drivers than an adjusted speed is
necessary for a short period of time.
 Blood
alcohol concentration (BAC)-(will
be on the test)the percentage of alcohol
found in a person’s blood at any given
time. In addition, BAC is how law
enforcement measures the level of
intoxication in a person. Note; levels vary
from state to state, in Alabama the legal
level is .08% for an adult.
 Carbon
monoxide-a highly poisonous gas
that is given off by burning fossil fuel. It is
colorless and odorless. Note; many
 Driving
under the influence (DUI)-driving
under the influence of any mind altering
drug. This includes alcohol, prescription
and non-prescription drug, marijuana,
hallucinogenic drugs, and any other
drugs that alter the brain. Note; in
Alabama you can be arrested and taken
to jail for a BAC of .05% even when the
legal limit for adults (21) is .08%.
 Hand
position-refers to hand placement
on the steering wheel while driving.
 Hydroplaning-a
condition in which the
tires of a moving vehicle ride on a cushion
of water causing loss of control in both
steering and braking.
 Implied
consent-(will be on the test) the
law stating that any licensed driver
cannot legally refuse to be tested for
alcohol or drug use while behind the
wheel or in “actual physical control” of
the vehicle.
 Over-driving-your-headlights-driving
so
 SIPDE-(on
the test) the basic principles of
defensive diving. The letters stand for:

ON TEST: TELL ME WHAT EACH OF THESE
LETTER STAND FOR AND EXPLAIN:
S….SEARCH OR
SCAN…I…IDENDIFY…P…PREDICT…D…DE
CIDE…E…EXECUTE.
 Space
margin-a cushion of space a driver
tries to maintain around their vehicle.
Space margin distance increases as
speed goes up. Note: a safe following

*****Total stopping distance- (will be on
the test) the distance to bring a vehicle to
a complete stop from the time of
perception until the wheels actually stop
rolling. Note: at 60 mph a vehicle
equipped with good tires and brakes
travels almost 300 feet from the time you
see the conflict until you actually bring
your vehicle to a stop. It brakes down like
this: perception distance-about 70 feet,
response OR REACTION distance about 70
feet, TOTAL braking distance- about 155
 TWO
SECOND FOLLOWING DISTANCEKEEPING at least two full seconds behind
the vehicle in front on you in your lane.

 Tracking-steering;
keeping your vehicle
steadily and smoothly on a desired
course.