IMSA TRAFFIC SIGNAL TECHNICIAN 1 EXAM ACTUAL QUESTIONS AND 100% CORRECT ANSWERS | ALREADY GRADED A+ | LATEST UPDATE 2026/2027 | VERIFIED SOLUTIONS | GUARANTEED PASS.

IMSA TRAFFIC SIGNAL TECHNICIAN 1 EXAM ACTUAL QUESTIONS AND 100% CORRECT ANSWERS | ALREADY GRADED A+ | LATEST UPDATE 2026/2027 | VERIFIED SOLUTIONS | GUARANTEED PASS. Which statement about negligence is correct? a) Failure to use exact care in one's actions b) Failure to use reasonable care in one's actions c) Failure to act in one's best interest d) Failure to act on behalf of the public - ANSWER: B: Failure to use reasonable care in one's actions A technician was sent out to an intersection to replace a broken traffic signal head. When he arrived on the scene, he realizes he does not have the proper hardware to reinstall the fixture. He only secures the fixture with two screws and leaves for the evening and forgets to come back to complete the repair. The fixture falls on a car and causes a serious accident with injuries. This is a what? - ANSWER: Gross negligence IMSA - ANSWER: The International Municipal Signal Association (IMSA) is the oldest known association of its kind in the world. The organization originated in 1896 and counts Thomas A. Edison and the Edison Electric Company among its esteemed members. Today, IMSA certifies tens of thousands of technicians and stands as the most regarded name in public safety. First recorded attempt of regulating traffic flow with a mechanical signal? (where, when, who, how) - ANSWER: Where: London, England 2 | P a g e When: 1868 Who: J.P. Knight, railway engineer How: Featured rotating arms with symbols indicating stop and go Pivotal milestone of traffic signal? (Where, when, who, how) - ANSWER: Where: Salt Lake City When: 1912 Who: Lester Wire, Salt Lake City policeman How: First electric traffic signal with red and green lights and buzzer to guide vehicles Significant breakthrough of traffic signal (Where, when, who, how) - ANSWER: Where: Detroit When: 1920 Who: William Potts, Detroit police officer How: Introduced concept of amber (yellow) light, adding a crucial buffer NEMA - ANSWER: National Electrical Manufacturers Association - Founded in 1926, neutral forum of members made up of business leaders, electrical experts, engineers, scientists, technicians. ANSI-accredited Standards Developing Organization IMSA - ANSWER: International Municipal Signal Association NESC - ANSWER: National Electrical Safety Code - general requirements, safety rules for installation and maintenance of electric supply stations, equipment, communication lines, etc 3 | P a g e CALTRANS/170 - ANSWER: California Dept. of Transportation Garrett Augustus Morgan - ANSWER: African American inventor, invented three position signal to add a warning position (1923, patented). Also invented a gas mask to protect firefighters ITE - ANSWER: Institute of Transportation Engineers ATCC - ANSWER: Advanced Transportation Controller Cabinet ATC - ANSWER: Advanced Transportation Controller SDS - ANSWER: Safety Data Sheets Which document determines the hierarchy of utilities on a utility pole? - ANSWER: NESC Part 4 of the ____ determines all guidance for traffic signals? - ANSWER: MUTCD What does OSHA stand for? - ANSWER: Occupational Safety and Health Administration 4 | P a g e Who published the NEC? - ANSWER: National Fire Protection Association 3 common causes of accidents - ANSWER: 1) Driver mistakes or distractions 2) Failures or malfunction sin vehicle equipment 3) Adverse weather conditions