NC RADAR State Exam UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Brazier V. City of Philadelphia - CORRECT ANSWER Affirmed a conviction under a
city ordinance for speeding over 7 mph - "It is only necessary to resort to the most cursory
observation to find the evidence that many drivers of automobiles in their desire to put their
novel and rapid machines to a test of their capacity, drive such vehicles through the streets
with a reckless disregard of the rights of others." (1906)
3 Elements of driving - CORRECT ANSWER 1.) Driver
2.) The vehicle
3.) Road Surface
Joseph Nathan's Famous Firsts - CORRECT ANSWER The very first traffic law in
America was passed on June 12, 1652, by New Amsterdam (now New York).
Who enacted the first automobile speed regulation and when? - CORRECT
ANSWER Hartford, Connecticut, lays claim to the distinction of having the first
automobile speed regulation. It was enacted in 1901 and limited speeds to 12 MPH in the
country and 8 MPH within the city limits.
Basic Speed Law - CORRECT ANSWER law stating that you may not drive faster
than is safe and prudent for existing conditions, regardless of posted speed limits. (Unsafe for
conditions)
Absolute speed law - CORRECT ANSWER Violates the posted speed limit.
Prima Facie - CORRECT ANSWER Means "at first sight, glance." (NO PRIMA
FACIE LAW IN NC)
, What is the basic goal of police work? - CORRECT ANSWER To protect lives and
property.
Radar is only a _________? - CORRECT ANSWER Tool.
____% of fatal crashes occur in _____MPH or less of speed zones. - CORRECT
ANSWER 1.) 15%
2.) 40 MPH
____% of fatal crashes occur in ____MPH or more speed zones. - CORRECT
ANSWER 1.) 65%
2.) 55 MPH
Elements of speed offense - CORRECT ANSWER 1.) Driver Identification
2.) Location
3.) Speed
4.) Conditions
Why was the speed limit of 55 imposed to save fuel? - CORRECT ANSWER Because
it was the median efficient speed.
At the end of ______ when speed limit was lowered it was found that traffic fatalities had
been reduced by _______ which translates to ______%. - CORRECT ANSWER 1.)
1974
2.) 8,856
3.) 16.8 %
The probability of a fatality from a crash roughly doubles as speeds go from ____MPH to
____MPH and doubles again as speeds go to _____MPH. - CORRECT ANSWER 1.)
45 MPH
2.) 60 MPH
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Brazier V. City of Philadelphia - CORRECT ANSWER Affirmed a conviction under a
city ordinance for speeding over 7 mph - "It is only necessary to resort to the most cursory
observation to find the evidence that many drivers of automobiles in their desire to put their
novel and rapid machines to a test of their capacity, drive such vehicles through the streets
with a reckless disregard of the rights of others." (1906)
3 Elements of driving - CORRECT ANSWER 1.) Driver
2.) The vehicle
3.) Road Surface
Joseph Nathan's Famous Firsts - CORRECT ANSWER The very first traffic law in
America was passed on June 12, 1652, by New Amsterdam (now New York).
Who enacted the first automobile speed regulation and when? - CORRECT
ANSWER Hartford, Connecticut, lays claim to the distinction of having the first
automobile speed regulation. It was enacted in 1901 and limited speeds to 12 MPH in the
country and 8 MPH within the city limits.
Basic Speed Law - CORRECT ANSWER law stating that you may not drive faster
than is safe and prudent for existing conditions, regardless of posted speed limits. (Unsafe for
conditions)
Absolute speed law - CORRECT ANSWER Violates the posted speed limit.
Prima Facie - CORRECT ANSWER Means "at first sight, glance." (NO PRIMA
FACIE LAW IN NC)
, What is the basic goal of police work? - CORRECT ANSWER To protect lives and
property.
Radar is only a _________? - CORRECT ANSWER Tool.
____% of fatal crashes occur in _____MPH or less of speed zones. - CORRECT
ANSWER 1.) 15%
2.) 40 MPH
____% of fatal crashes occur in ____MPH or more speed zones. - CORRECT
ANSWER 1.) 65%
2.) 55 MPH
Elements of speed offense - CORRECT ANSWER 1.) Driver Identification
2.) Location
3.) Speed
4.) Conditions
Why was the speed limit of 55 imposed to save fuel? - CORRECT ANSWER Because
it was the median efficient speed.
At the end of ______ when speed limit was lowered it was found that traffic fatalities had
been reduced by _______ which translates to ______%. - CORRECT ANSWER 1.)
1974
2.) 8,856
3.) 16.8 %
The probability of a fatality from a crash roughly doubles as speeds go from ____MPH to
____MPH and doubles again as speeds go to _____MPH. - CORRECT ANSWER 1.)
45 MPH
2.) 60 MPH
