Traffic Supervisor Test Questions and Answers
When using reflectors, how high on the barrier wall must then be placed?
A. 36"
B. 20"
C. 26"
D. 24" - Answer-26"
When using glare screens what type sheeting and maximum spacing are used?
A. 50'/type R, Q, Z sheeting
B. 40'/type G, ...
When using reflectors, how high on the barrier wall must then be placed?
A. 36"
B. 20"
C. 26"
D. 24" - Answer-26"
When using glare screens what type sheeting and maximum spacing are used?
A. 50'/type R, Q, Z sheeting
B. 40'/type G, R, Z sheeting
C. 50'/ type G, H, J sheeting
D. 25'/ type H, R, K sheeting - Answer-50'/ type G, H, J sheeting
In transition area, what is the maximum spacing for RPM's on a lane shift or a crossover
on a road that the speed is over 45 mph?
A. 50'
B. 25'
C. 20'
D. 10' - Answer-20'
When is snow plowing season according to ODOT?
A. January-April
B. November-July
C. October-March
D. September-March - Answer-October-March
When placing RPMs along edge lines what is the maximum spacing from outside of the
edge lines?
A. 6"
B. 4"
C. 3"
D. 2" - Answer-4"
Rpm offset along channelizing lines shall be no more than ____ to the left?
,A. 4"
B. 3"
C. 2"
D. 1" - Answer-1"
The alteration between object markers and barriers reflectors is to be what spacing?
A. 50'
B. 40'
C. 30'
D. 25' - Answer-25'
Glare screen shall be designed using a _____ degree cut off angle of the paddle based
on the tangent?
A. 45 degree
B. 30 degree
C. 20 degree
D. 10 degree - Answer-20 degree
What is the portable barrier wall minimum flare rate for 65 mph zone?
A. 12:1
B. 65:1
C. 19:1
D. 8:1 - Answer-19:1
What type of nut goes on hook and loop barrier wall pin?
A. Lock Nut
B. Hexagonal Nut
C. Round Nut
D. None of the above. - Answer-Hexagonal Nut
The recovery area at barrier wall must have a _____ or flatter area and be free of
workers or hazards?
A. 5:1
B. 3:1
C. 2:1
D. 7:1 - Answer-3:1
When using Uneven Lane or Low Shoulder signs, they must be placed ____ feet in
advanced of condition on all intersection's entrances?
A. 500'
,B. 750'
C. 1000'
D. 100' - Answer-750'
What size cone are used for Night Time Zones on the expressway at night?
A. 52"
B. 48"
C. 42"
D. 28" - Answer-42"
What is the size of the opening for an expressway for construction axes point total
opening length _____ at minimum?
A. 750'
B. 900'
C. 600'
D. 100' - Answer-750'
What is the maximum spacing allowed for advanced warning sign if you are unable to
follow the standard spacing?
A. 2x
B. 3x
C. No Change Allowed
D. 1.5x - Answer-1.5x
Are you allowed to use cones for tapers at NIGHT?
A. True
B. False - Answer-False
All cones and drums should have a minimum offset from the edge of the traveled lanes
of ___ ?
A. 3'
B. 4'
C. 2 1/2'
D. 1 1/2' - Answer-1 1/2'
On a divided expressway what is the maximum spacing of drums at 55 mph in the
tangent?
A. 100'
B. 90'
C. 50'
, D. 80' - Answer-80'
On a divided expressway, what is the maximum spacing of drums the tangent for a 70-
mph road?
A. 100
B. 70
C. 120
D. 80 - Answer-120
What is the minimum lane width on an expressway using PCB that must be maintained?
A. 12'
B. 11'
C.10'
D.9' - Answer-10'
What is the minimum shoulder taper rate for 60 mph road?
A. 20:1
B. 17:1
C. 15:1
D. 60:1 - Answer-20:1
What is the minimum buffer length for a 70-mph road?
A. 500'
B. 425'
C. 730'
D. 155' - Answer-730'
How far away does a temporary traffic light need to be from a stop bar on bidirectional
road?
A. 60'
B. 75'
C. 100'
D. 120' - Answer-75'
Photo strobe lights LED warning light must be seen at least _____ away?
A. 100'
B. 200'
C. 1000'
D. 1 mile - Answer-100'
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Perfectscorer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.29. You're not tied to anything after your purchase.
