PTOE Exam
When more than one countermeasures are being considered for implementation at a problem location
(e.g., both adding a left turn lane and signalizing an intersection), the Crash Modification Factors for the
individual countermeasures:
a. Are added together
b. Are multiplied together
c. Cannot be combined
d. Only the Crash Modification Factor that has the greatest impact is used - correct answer ✔✔b. Are
multiplied together
If an incident blocks one of three freeway lanes, the likely capacity reduction due to the incident is:
a. 33%
b. 51%
c. 75%
d. 90% - correct answer ✔✔b. 51%
What are the colors most commonly used for regulatory signs?
a. White, black, and red
b. White, black, and yellow
c. Red, white, and green
d. Black, yellow, and red - correct answer ✔✔a. White, black, and red
For a spot speed study, a sample size of how many vehicles is generally considered reliable under most
circumstances?
a. 50 vehicles per lane
b. 100 vehicles per lane
c. 200 vehicles per lane
d. 500 vehicles per lane - correct answer ✔✔b. 100 vehicles per lane
,In a temporary traffic control zone, the length of a taper to close a single lane on a freeway with a
prevailing speed of 70 mph and 12-foot lane widths is:
a. 550 feet
b. 680 feet
c. 840 feet
d. 980 feet - correct answer ✔✔c. 840 feet
Although crash involvement rates (crashes per 100,000 population) are highest for the five- to fifteen-
year-old pedestrians, pedestrian fatality rates are highest for what age group?
a. 1 to 5 years old
b. 12 to 16 years old
c. 18 to 25 years old
d. 70 years old and above - correct answer ✔✔d. 70 years old and above
The most effective means of prohibiting left turn access into driveways is:
a. Pork-chop islands in driveway entrance
b. No Left Turn signs
c. One-way driveway signs
d. Non-traversable medians - correct answer ✔✔d. Non-traversable medians
The U.S. Manual on Uniform Traffic Control Devices indicates that the traffic signal WALKING PERSON
indication should be displayed for a minimum of:
a. 5 seconds
b. 7 seconds
c. 10 seconds
d. 15 seconds - correct answer ✔✔b. 7 seconds
The most commonly used form of traffic calming is:
a. Chicanes
, b. Cul-de-sacs
c. Curb extensions
d. Speed humps - correct answer ✔✔d. Speed humps
On a road with a design speed of 50 mph and level grades, what is the AASHTO minimum stopping sight
distance?
a. 325 feet b. 425 feet c. 675 feet d. 930 feet - correct answer ✔✔b. 425 feet
Which type of signs may be excluded from the minimum maintained retroreflectivity guidelines
contained in the U.S. Manual on Uniform Traffic Control Devices?
a. Speed limit signs
b. Parking signs
c. Street name signs
d. School signs - correct answer ✔✔b. Parking signs
The U.S. Manual on Uniform Traffic Control Devices specifies that warning and guide signs used for
temporary traffic control in incident management situations may have a black legend with what color
background?
a. Red
b. Fluorescent yellow green
c. Blue
d. Fluorescent pink - correct answer ✔✔d. Fluorescent pink
Intersection departure sight triangles should be provided for drivers entering the intersection from a
STOP-controlled minor road. What is the intersection departure sight distance for this condition if the
AASHTO recommended time gap is 7.5 seconds and the design speed of the major road is 60 mph?
a. 450 feet
b. 560 feet
c. 660 feet
d. 750 feet - correct answer ✔✔c. 660 feet
When more than one countermeasures are being considered for implementation at a problem location
(e.g., both adding a left turn lane and signalizing an intersection), the Crash Modification Factors for the
individual countermeasures:
a. Are added together
b. Are multiplied together
c. Cannot be combined
d. Only the Crash Modification Factor that has the greatest impact is used - correct answer ✔✔b. Are
multiplied together
If an incident blocks one of three freeway lanes, the likely capacity reduction due to the incident is:
a. 33%
b. 51%
c. 75%
d. 90% - correct answer ✔✔b. 51%
What are the colors most commonly used for regulatory signs?
a. White, black, and red
b. White, black, and yellow
c. Red, white, and green
d. Black, yellow, and red - correct answer ✔✔a. White, black, and red
For a spot speed study, a sample size of how many vehicles is generally considered reliable under most
circumstances?
a. 50 vehicles per lane
b. 100 vehicles per lane
c. 200 vehicles per lane
d. 500 vehicles per lane - correct answer ✔✔b. 100 vehicles per lane
,In a temporary traffic control zone, the length of a taper to close a single lane on a freeway with a
prevailing speed of 70 mph and 12-foot lane widths is:
a. 550 feet
b. 680 feet
c. 840 feet
d. 980 feet - correct answer ✔✔c. 840 feet
Although crash involvement rates (crashes per 100,000 population) are highest for the five- to fifteen-
year-old pedestrians, pedestrian fatality rates are highest for what age group?
a. 1 to 5 years old
b. 12 to 16 years old
c. 18 to 25 years old
d. 70 years old and above - correct answer ✔✔d. 70 years old and above
The most effective means of prohibiting left turn access into driveways is:
a. Pork-chop islands in driveway entrance
b. No Left Turn signs
c. One-way driveway signs
d. Non-traversable medians - correct answer ✔✔d. Non-traversable medians
The U.S. Manual on Uniform Traffic Control Devices indicates that the traffic signal WALKING PERSON
indication should be displayed for a minimum of:
a. 5 seconds
b. 7 seconds
c. 10 seconds
d. 15 seconds - correct answer ✔✔b. 7 seconds
The most commonly used form of traffic calming is:
a. Chicanes
, b. Cul-de-sacs
c. Curb extensions
d. Speed humps - correct answer ✔✔d. Speed humps
On a road with a design speed of 50 mph and level grades, what is the AASHTO minimum stopping sight
distance?
a. 325 feet b. 425 feet c. 675 feet d. 930 feet - correct answer ✔✔b. 425 feet
Which type of signs may be excluded from the minimum maintained retroreflectivity guidelines
contained in the U.S. Manual on Uniform Traffic Control Devices?
a. Speed limit signs
b. Parking signs
c. Street name signs
d. School signs - correct answer ✔✔b. Parking signs
The U.S. Manual on Uniform Traffic Control Devices specifies that warning and guide signs used for
temporary traffic control in incident management situations may have a black legend with what color
background?
a. Red
b. Fluorescent yellow green
c. Blue
d. Fluorescent pink - correct answer ✔✔d. Fluorescent pink
Intersection departure sight triangles should be provided for drivers entering the intersection from a
STOP-controlled minor road. What is the intersection departure sight distance for this condition if the
AASHTO recommended time gap is 7.5 seconds and the design speed of the major road is 60 mph?
a. 450 feet
b. 560 feet
c. 660 feet
d. 750 feet - correct answer ✔✔c. 660 feet
