IMSA work zone safety Exam Questions with Verified Solutions Rated A+ Latest 2025
MUTCD - Answers Manual on Uniform Traffic Control Devices
A statement of required mandatory or specifically prohibitive practice regarding a traffic control device -
Answers Standard
A statement of recommended but not mandatory practice in typical situations with deviations allowed if
engineering judgment or engineering study indicates the deviation to be appropriate - Answers
Guidance
A statement of practice that is a permissive condition and carries no requirement or recommendation -
Answers Option
An informational statement that does not convey any degree of mandate recommendation
authorization prohibition or enforceable condition - Answers Support
Traffic engineers in traffic maintenance personnel should understand the? - Answers Purpose and intent
of traffic control devices as well as legal implications
A civil wrong other than breach of contract for which a court of law will provide a remedy in the form of
an action for mole monetary damages - Answers Tort liability
The failure to do something that a reasonable person would ordinarily do or do something that a
reasonably prudent person would not do - Answers Negligence
In tort law what is an obligation requiring persons to conform to a certain standards of conduct for the
protection of others against unreasonable risk - Answers Duty
What is required of all traffic control devices on a regular basis and very essential in reducing liability -
Answers Routine inspection
Timely identification and notification of any defects - Answers Prompt notification of defects
What are the requirements of traffic control devices - Answers Fulfill a need
Command attention
Convey a clear simple meaning
Command respect from road users
Give adequate time for proper response
What person at any work site is in charge of operation and has the final responsibility for the safety of
the workers and the road users - Answers Foreman/supervisor
, Who does the final and most important responsibility lie to on a work site - Answers
Foreman/supervisor
Traffic control device is Shelby placed only as authorized by public agency or the official having
jurisdiction for the purpose of regulating warning or guiding traffic - Answers
What are the three classifications of signs - Answers Regulatory, warning, and Guide signs
What signs are usually white and black in color usually rectangular shaped - Answers Regulatory sign
What signs are used for permanent insulation or normally diamond shaped and Shelby yellow and black
in color - Answers Warning sign
Warning sign spacing is based upon - Answers Location, speed, and type of application
Warning signs can be used in a sequence to give adequate warning by using three signs along the
roadway the driver is given adequate time to get ready for whatever is ahead distance between signs
depends on the type of roadway and speed - Answers
In business, commercial, or residential areas the minimum lateral clearance is ___________from the
face of the curb to the nearest edge of the sign - Answers 2 feet
In rural areas the minimum lateral clearance should be_______to________ feet from the edge of the
roadway to the nearest edge of the sign - Answers 6 to 12
In rural areas if a secondary advisory sign is mounted below another sign the minimum mounting height
may be__________foot less than the primary sign which results in a minimum vertical clearance
of__________ feet - Answers 1 foot 4 feet
If a sign is on temporary support__________ maybe used for weighing so that the sign will not blow
over. __________ May also be used for weighting barricades so that the barricades will not blow over -
Answers Sandbags..............boath blanks
What should be done to a sign that is not applicable in a TTC zone until it is relevant again - Answers
Removed or covered
What is the correct spacing for advanced warning signs in a urban or rural road type - Answers 100 feet
and 500 feet
What is the correct spacing for advanced warning signs on expressway/freeway Road types - Answers
1,000 feet and 2,640 feet
Arrow boards that are used for low speed location such as urban streets that she'll have a minimum size
of 48 x 24" and a minimum legibility distance of 1/2 mile - Answers Type A
Arrow boards that are used for high speed, high volume facilities that have a minimum size of 96" x 48"
and a minimum legibility distance of 1 mile - Answers Type C
MUTCD - Answers Manual on Uniform Traffic Control Devices
A statement of required mandatory or specifically prohibitive practice regarding a traffic control device -
Answers Standard
A statement of recommended but not mandatory practice in typical situations with deviations allowed if
engineering judgment or engineering study indicates the deviation to be appropriate - Answers
Guidance
A statement of practice that is a permissive condition and carries no requirement or recommendation -
Answers Option
An informational statement that does not convey any degree of mandate recommendation
authorization prohibition or enforceable condition - Answers Support
Traffic engineers in traffic maintenance personnel should understand the? - Answers Purpose and intent
of traffic control devices as well as legal implications
A civil wrong other than breach of contract for which a court of law will provide a remedy in the form of
an action for mole monetary damages - Answers Tort liability
The failure to do something that a reasonable person would ordinarily do or do something that a
reasonably prudent person would not do - Answers Negligence
In tort law what is an obligation requiring persons to conform to a certain standards of conduct for the
protection of others against unreasonable risk - Answers Duty
What is required of all traffic control devices on a regular basis and very essential in reducing liability -
Answers Routine inspection
Timely identification and notification of any defects - Answers Prompt notification of defects
What are the requirements of traffic control devices - Answers Fulfill a need
Command attention
Convey a clear simple meaning
Command respect from road users
Give adequate time for proper response
What person at any work site is in charge of operation and has the final responsibility for the safety of
the workers and the road users - Answers Foreman/supervisor
, Who does the final and most important responsibility lie to on a work site - Answers
Foreman/supervisor
Traffic control device is Shelby placed only as authorized by public agency or the official having
jurisdiction for the purpose of regulating warning or guiding traffic - Answers
What are the three classifications of signs - Answers Regulatory, warning, and Guide signs
What signs are usually white and black in color usually rectangular shaped - Answers Regulatory sign
What signs are used for permanent insulation or normally diamond shaped and Shelby yellow and black
in color - Answers Warning sign
Warning sign spacing is based upon - Answers Location, speed, and type of application
Warning signs can be used in a sequence to give adequate warning by using three signs along the
roadway the driver is given adequate time to get ready for whatever is ahead distance between signs
depends on the type of roadway and speed - Answers
In business, commercial, or residential areas the minimum lateral clearance is ___________from the
face of the curb to the nearest edge of the sign - Answers 2 feet
In rural areas the minimum lateral clearance should be_______to________ feet from the edge of the
roadway to the nearest edge of the sign - Answers 6 to 12
In rural areas if a secondary advisory sign is mounted below another sign the minimum mounting height
may be__________foot less than the primary sign which results in a minimum vertical clearance
of__________ feet - Answers 1 foot 4 feet
If a sign is on temporary support__________ maybe used for weighing so that the sign will not blow
over. __________ May also be used for weighting barricades so that the barricades will not blow over -
Answers Sandbags..............boath blanks
What should be done to a sign that is not applicable in a TTC zone until it is relevant again - Answers
Removed or covered
What is the correct spacing for advanced warning signs in a urban or rural road type - Answers 100 feet
and 500 feet
What is the correct spacing for advanced warning signs on expressway/freeway Road types - Answers
1,000 feet and 2,640 feet
Arrow boards that are used for low speed location such as urban streets that she'll have a minimum size
of 48 x 24" and a minimum legibility distance of 1/2 mile - Answers Type A
Arrow boards that are used for high speed, high volume facilities that have a minimum size of 96" x 48"
and a minimum legibility distance of 1 mile - Answers Type C
