, IMSA - CORRECT ANSWERS-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) - CORRECT ANSWERS-Where: London, England
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) - CORRECT ANSWERS-
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) - CORRECT
ANSWERS-Where: Detroit
When: 1920
Who: William Potts, Detroit police officer
How: Introduced concept of amber (yellow) light, adding a crucial buffer
Garrett Augustus Morgan - CORRECT ANSWERS-African American inventor, invented
three position signal to add a warning position (1923, patented). Also invented a gas
mask to protect firefighters
NEMA - CORRECT ANSWERS-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 - CORRECT ANSWERS-International Municipal Signal Association
NESC - CORRECT ANSWERS-National Electrical Safety Code - general requirements,
safety rules for installation and maintenance of electric supply stations, equipment,
communication lines, etc
CALTRANS/170 - CORRECT ANSWERS-California Dept. of Transportation
ITE - CORRECT ANSWERS-Institute of Transportation Engineers
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) - CORRECT ANSWERS-Where: London, England
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) - CORRECT ANSWERS-
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) - CORRECT
ANSWERS-Where: Detroit
When: 1920
Who: William Potts, Detroit police officer
How: Introduced concept of amber (yellow) light, adding a crucial buffer
Garrett Augustus Morgan - CORRECT ANSWERS-African American inventor, invented
three position signal to add a warning position (1923, patented). Also invented a gas
mask to protect firefighters
NEMA - CORRECT ANSWERS-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 - CORRECT ANSWERS-International Municipal Signal Association
NESC - CORRECT ANSWERS-National Electrical Safety Code - general requirements,
safety rules for installation and maintenance of electric supply stations, equipment,
communication lines, etc
CALTRANS/170 - CORRECT ANSWERS-California Dept. of Transportation
ITE - CORRECT ANSWERS-Institute of Transportation Engineers
