ENFORCEMENT ISSUES

1
ENFORCEMENT ISSUES
SGT. VINCE AURENTZ DALLAS POLICE DEPT. TRAFFIC
SECTION ENFORCEMENT UNIT
2
ELEMENTS OF THE DETERRENCE PROCESS

• The behavior must be definable, understandable,
  and detectable.
• By the motorist.
• By the Police.
• By the Courts.

3
ELEMENTS OF THE DETERRENCE PROCESS

• The effectiveness of deterrence depends on the
  perceived risk of apprehension.
• For the risk to be credible , drivers must
  believe that they have a nontrivial chance of
  being apprehended.

4
ELEMENTS OF THE DETERRENCE PROCESS

• Third, the effectiveness of deterrence depends on
  the swiftness certainty, and severity of
  punishment.

5
ELEMENTS OF THE DETERRENCE PROCESS

• The behavior must be definable, understandable,
  and detectable.
• By the motorist.
• By the Police.
• By the Courts.

6
ELEMENTS OF THE DETERRENCE PROCESS

• The effectiveness of deterrence depends on the
  perceived risk of apprehension.
• For the risk to be credible , drivers must
  believe that they have a nontrivial chance of
  being apprehended.

7
GOOD OLD DAYS
8
MOVABLE HOV LANES
9
EXIT LANES
10
For the risk to be credible , drivers must
believe that they have a nontrivial chance of
being apprehended.
11
THE OUTER LIMITS
12
(No Transcript)
13
ELEMENTS OF THE DETERRENCE PROCESS

• Third, the effectiveness of deterrence depends on
  the swiftness certainty, and severity of
  punishment.

14
WHATS THE SPEED LIMIT?
What is the speed limit at that location How do
you know the speed limit of that location? Were
these signs clear and conspicuous to the passing
public on the date this citation was issued?
15
(No Transcript)
16
(No Transcript)
17
BASIC SPEED LAW STATE
Do you have an opinion whether or not this speed
is unreasonable and imprudent under the
conditions then existing, having regard to the
actual and potential hazards?