IMSA LEVEL 1 CERTIFICATION
QUESTIONS & ANSWERS!!
Where are you when you install alternating flashing 12" red lights? - ANSWERAt a
railroad crossing.
Who determins the the standards on traffic control devices and sets the
requirements for uniformity? - ANSWERThe Manual on uniform traffic control
devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? -
ANSWER120 volts AC
Where are you when you come across a signal that has a ped pole on each side of
the road, each having a 3 section signal on top followed with a 2 section mounted
directly under neath? - ANSWERA ramp meter on a ramp to a highway.
What is the cheapest way to coordinate a corridor of signals? What needs to stay the
same throughout the day? - ANSWERTime based coordination, and cycle length.
Explain the white walking man, the flashing orange hand on a ped head and how is
this time figured? - ANSWERThe white walking man is the ped head walk interval,
and the ped change clearance interval is the flashing orange hand.
What makes up the green interval? - ANSWERInitial green time,
passage/extension/gap time, and max green time.
At most intersections what are phases 2,6 called, and phases 4,8 called -
ANSWERPhases 2,6 are called Main Street, and 4,8 are called side street.
What is a flashing signal along the road called? - ANSWERA flashing beacon.
What is the definition of short term work zone as per the MUTCD? - ANSWER1 hour
or less
What's OSHA? - ANSWEROccupational and safety health administration
Can you get your level III certification and what are they? - ANSWERYes, and it's for
bench and field electrician
I'm working near power lines where would I get my clearance from? - ANSWERCEC,
NEC, NESC
What are the three basic types of beacons? - ANSWERStop sign beacon, warning
beacon, and flashing beacon.
QUESTIONS & ANSWERS!!
Where are you when you install alternating flashing 12" red lights? - ANSWERAt a
railroad crossing.
Who determins the the standards on traffic control devices and sets the
requirements for uniformity? - ANSWERThe Manual on uniform traffic control
devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? -
ANSWER120 volts AC
Where are you when you come across a signal that has a ped pole on each side of
the road, each having a 3 section signal on top followed with a 2 section mounted
directly under neath? - ANSWERA ramp meter on a ramp to a highway.
What is the cheapest way to coordinate a corridor of signals? What needs to stay the
same throughout the day? - ANSWERTime based coordination, and cycle length.
Explain the white walking man, the flashing orange hand on a ped head and how is
this time figured? - ANSWERThe white walking man is the ped head walk interval,
and the ped change clearance interval is the flashing orange hand.
What makes up the green interval? - ANSWERInitial green time,
passage/extension/gap time, and max green time.
At most intersections what are phases 2,6 called, and phases 4,8 called -
ANSWERPhases 2,6 are called Main Street, and 4,8 are called side street.
What is a flashing signal along the road called? - ANSWERA flashing beacon.
What is the definition of short term work zone as per the MUTCD? - ANSWER1 hour
or less
What's OSHA? - ANSWEROccupational and safety health administration
Can you get your level III certification and what are they? - ANSWERYes, and it's for
bench and field electrician
I'm working near power lines where would I get my clearance from? - ANSWERCEC,
NEC, NESC
What are the three basic types of beacons? - ANSWERStop sign beacon, warning
beacon, and flashing beacon.
