1. What are the 3 • Phase One- Vehicle in Motion
phases of DUI de- • Phase Two- Personal Contact
tection? • Phase Three- Pre- Arrest Screening
2. What does the • NOT an Option • Virginia's DUI Implied Consent law
implied consent essentially states that by driving on the public roads in
law grant Virginia a person impliedly consents to provide breath and
/ or blood samples for analysis if the person is lawfully
arrested for DUI within 3 hours of OFFENSE. When the
Virginia DUI Implied Consent law is triggered, the motorist
must either submit to blood or breath testing or be charged
with Unreasonable Refusal.
3. Know the 3 Phas- 3. What is the First Phase of DUI Detection? • Vehicle
es of DUI detec- In Motion • You usually observe the driver operating the
tion and their ob- vehicle 4. What is the Second Phase of DUI detection?
servations or ac- • Personal Contact • After you have stopped the vehicle,
tions. there usually is an opportunity to observe and speak with
the driver face to face. 5. What is the Third Phase of DUI
Detection? • Pre-Arrest Screening • You usually have an
opportunity to administer Standardized Field Sobriety Test
(SFSTs) to determine impairment.
4. What is the Code Virginia Code Section 18.2-266 (ii) is Virginia's DUI law.
section for DUI? This law makes it unlawful to drive or operate a motor
vehicle while "under the influence of alcohol.
5. What factors af- • Breath sample Cooling • Breath Sample Composition •
fect the results of Residual mouth alcohol • Breath Contaminants • Radio
a PBT? frequency interference
6. Is DUI a criminal Criminal
or motor vehicle
infraction?
7. What is the VA Lowe V. Commonwealth
case law that
established DUI
checkpoints?
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