Download 2025|2026 ATTSA TRAFFIC SUPERVISOR CERTIFICATION EXAM|FORMS A&B AND STUDY GUIDE|A+ GRADE and more Exams Traffic Control and Regulation in PDF only on Docsity!
2025 |2026 ATTSA TRAFFIC SUPERVISOR
CERTIFICATION EXAM|FORMS A&B AND STUDY
GUIDE|A+ GRADE
When cones are substituted for drums at nighttime closer, what is the maximum cone spacing?A. 20' B. 30' C. 40' D. 50' 40' What type of flashing warning lights are required when there is a nighttime lane closer? A. ROAD WORK AHEAD B. LANE CLOSED AHEAD C. A & B D. NONE OF THE ABOVE ROAD WORK AHEAD & LANE CLOSED AHEAD If there is a lane closure of greater than three days, what is required? A. Work zone dotted lines, 4' in length separated by 10' gaps, shall be provided to identify themerge. B. The appropriate color work zone edge lines shall be applied along the taper and tangentsections. C. All the above D. None of the above The appropriate color work zone edge lines shall be applied along the taper and tangent sections.Work zone pavement marking that conflict with final traffic lanes shall be temporary paint. A. True B. Fals eFalse What are the extra advance warning signs? A. Lane Close Ahead B. Watch for Stopped Traffic C. Road Work Ahead D. All the above
Lane Change Ahead & Watch for Stopped Traffic& Road Work Ahead Is the advisory speed plaque used in all traffic zones? A. True B. Fals eFalse When the approach speed limit is 40 mph or less, 36" warning signs may be used. A. True B. Fals eTrue Road Work Ahead signs shall be provided on entrance ramps or roadways entering the worklimits. A. True B. Fals eTrue Is a shadow vehicle used in all traffic zones? A. True B. Fals eFalse The shadow vehicle is occupied whenever workers are in the work area. A. True B. Fals eFalse What class one light is the shadow vehicle equipped with? A. Flashing Yellow Light B. Oscillating Yellow Light C. Yellow Strobe Light D. All of the above All of the above When may cones be substituted for drums? A. Daytime traffic control minimum height 18" B. Daytime traffic control minimum height 28"
The tangent (recovery area) section between the two merge tapers should be 2 times longer of thetwo merge tapers. A. True B. Fals eTrue What is a fundamental principle of temporary traffic control? A. To inconvenience motorists as much as possible so they will find another route. B. To guide and direct motorists through or around the work area as efficiently as possible. C. Tomake traffic move as slow as possible. D. All of the above are fundamental principles. To guide and direct motorists through or around the work area as efficiently as possible.What needs to be done when work is suspended for any length of time? A. Take down the ROAD WORK AHEAD sign B. Cover up the END ROAD WORK sign C. Erect a WORK SUSPENDED sign D. Cover or remove the FLAGGER AHEAD signCover or remove the FLAGGER AHEAD sign What are the four zones of a work area? A. Activity area, pedestrian area, termination area and equipment area. B. Advance warning area, transition area, activity area and termination area. C. Equipment area, termination area, activity area and transition area. D. Transition area, advanced warning area, pedestrian area and buffer zone.Advance warning area, transition area, activity area and termination area. Which of the following signs might you see in the advanced warning area? A. END ROAD WORK B. YIELD C. EXIT OPEN D. LEFT LANE CLOSED AHEADLEFT LANE CLOSED AHEAD Which of the following is NOT a type of taper? A. Shifting taper B. Merging taper C. Aligning taper D. Downstream taperAligning taper The formula for taper length on expressways with a speed limit of 65mph is which of thefollowing?
A. L = (WxS2)/ B. L = WxS C. L = W2xS D. L = (S2x60)/WL = WxS What would the taper length be when closing a 12' lane on an expressway with a speed limit of 60 mph? A. 880' B.780' C.660' D. 720' 720' What would the taper length be when closing a 14' lane on a road with a speed limit of 35 mph?A. 235.3' B. 285.8' C. 288.5' D. 490.0' 285.8' What would be the taper length when working on a road with 12' lanes and a speed limit of 55 mph and you were using flagger control of traffic? A. 660' B. 780' C. 605' D. 100' 100' Regarding temporary traffic control, what is a diversion? A. Something to do while waiting for an asphalt truck. B. Routing traffic onto an existing roadway. C. Routing traffic onto a temporary roadway. D. Keeping the inspector's attention off of a mistake.Routing traffic onto a temporary roadway Which of the following is NOT an acceptable method of one-lane two-way traffic control? A. Flag transfer method B. Motorist option method
They are used to inform motorists of traffic laws.Who may approve the use of regulatory signs? A. The project superintendent. B. The public agency with jurisdiction over the project. C. The local law enforcement officials. D. They require no special approval. The public agency with jurisdiction over the project. What are the two approved sizes for diamond shaped warning signs? A. 36" and 54" B. 28" and 48" C. 24" and 36" D. 36" and 48" 36" and 48" Which description would best fit guide signs? A. They provide motorists with information to help them through a work zone. B. They warn motorists of hazard. C. They provide information on places of interest. D. They provide motorists information on the local traffic laws. They provide motorists with information to help them through a work zone. Which of the following best describes the main function of flashing arrow panels? A. They pint motorists to the exit ramp. B. They direct motorists to merge out of a closed lane. C. They direct motorists around a detour route. D. They warn motorist of a hazard. They direct motorists to merge out of a closed lane. How must all channelizing devices with the exception of barricades and concrete barriers beconstructed? A. So that they do not require any external ballast. B. To be as sturdy as possible to deflect errant vehicles. C. So that they perform in a predictable manner when struck by a vehicle. D. So they will bounce back into position even if hit with a truck. So that they perform in a predictable manner when struck by a vehicle.
Which size of cone is restricted to use on low speed, low volume roads? A. 36" cones B. 48" cones C. 28" cones D.18" cones 18" cones For what reason might you opt to use vertical panels in place of cones or drums? A. They are more visible to motorists. B. They provide a more substantial barrier when separating two opposing lanes of traffic. C. They are more suitable when space is restricted. D. They should never be used in place of cones or drums.They are more suitable when space is restricted. When should concrete barriers be used to create a merging taper on an expressway? A. When there is a high volume of truck traffic. B. When the project will take over two months to complete. C. When workers are working very close to the road. D. Concrete barriers should never be used to create a merging taper on an expressway.Concrete barriers should never be used to create a merging taper on an expressway. Which type of project will require temporary pavement markings? A. Mobile operations B. Short term stationary operations C. Long term stationary operations D. Short duration operations Long term stationary operations Which type of work occupies the same location for less than One hour? A. Mobile work B. Intermediate term stationary C. Short term stationary D. Short durationShort duration What would the sign spacing be for a work zone on a rural two-lane two-way road with a speedlimit of 55mph?
A. 1/3 L
B. 100'
C. 2 X L
D. 1/
L1/2 L
A flashing arrow panel used on high speed, high volume roadways must be what size? A. 60" x 30" B. 96" x 48" C. 48" x 24" D. 118" x 60" 96" x 48" What would the merging taper length be for a flagger taper be if the speed limit was 55 mph on a12' wide lane? A. 700' B. 100' C. 660' D. 500' 100' What would a merging tape be of a 65 - mph road if it was 12' wide lane using the manual ofuniform traffic control devices? A. 780' B. 660' C. 840' D. 900' 780' What would a shifting taper length be if 60 mph on a 12' wide lane? A. 600' B. 720' C. 800' D. 500' 720' What formula would you use to figure the length of a merging taper on a 35 mph street?
A. L =WxS B. L = W square x S C. L = W square x S / 60 D. L = S square x W /60L = S square x W / Lane lines on expressway/freeway is? A. 20: B. 10: C. 30: D. 10: 10: What is the minimal length of a piece of barrier wall? A. 12' B. 5' C. 7' D. 10' 10' What is the length of a merging taper be if the speed limit was 35 mph and the lane was 10'wide? A. 210' B. 205' C. 300' D. 500' 205' According to the OMUTCD, what is traffic control device spacing on a 65 mph road in amerging taper? A. Same as speed limit B. Double speed limit C. 40' apart D. 70' apart Same as speed limit When using delineation panels, what is the maximum pacing of the panels? A. 5'
C. 20'
D. 10'
When is snow plowing season according to ODOT? A. January-April B. November-July C. October-March D. September- MarchOctober- March When placing RPMs along edge lines what is the maximum spacing from outside of the edgelines? A. 6" B. 4" C. 3" D. 2" 4" Rpm offset along channelizing lines shall be no more than to the left? A. 4" B. 3" C. 2" D. 1" 1" The alteration between object markers and barriers reflectors is to be what spacing? A. 50' B. 40' C. 30' D. 25' 25' Glare screen shall be designed using a degree cut off angle of the paddle based on thetangent? A. 45 degree B. 30 degree
C. 20 degree D. 10 degree 20 degree What is the portable barrier wall minimum flare rate for 65 mph zone? A. 12: B. 65: C. 19: D. 8: 19: 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. Hexagonal Nut The recovery area at barrier wall must have a or flatter area and be free of workers orhazards? A. 5: B. 3: C. 2: D. 7: 3: 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' 750' What size cone are used for Night Time Zones on the expressway at night? A. 52" B. 48"
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. 80 120 What is the minimum lane width on an expressway using PCB that must be maintained? A. 12' B. 11' C.10' D.9' 10' What is the minimum shoulder taper rate for 60 mph road? A. 20: B. 17: C. 15: D. 60: 20: What is the minimum buffer length for a 70 - mph road? A. 500' B. 425' C. 730' D. 155' 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' 75'
Photo strobe lights LED warning light must be seen at least away? A. 100' B. 200' C. 1000' D. 1 mile 100' Any truck and trailer combination of 10,000 pounds or more must have conspicuity tape. A. True B. Fals eTrue What is the minimum percentage length of horizontal strip retro reflective sheeting placed onside length? A. 30% B. 40% C. 100% D. 50% 50% How far behind raised curbs must equipment be parked? A. 10 feet B. 30 feet C. 6 feet D. 20 feet 6 feet When equipment is stored at night along roadway. It must be delineated by drums spaced 5 feetapart. With Type A warning lights on them. A. True B. False. True Road Closed signs on barricades must have what Type of warning light on them in intersections? A. Type A B. Type B
A. True B. Fals eTrue "Shoulder Drop Off " signs are put up. When the drop off next to the traveled road is inches. A. 1 B. 2 C. 3 D. 4 3 According to Ohio MUTCD what is the minimum height of the pole that holds the Stop/ Slowsign. A. 4 feet B. 7 feet C. 6.5 feet D. 5 feet 6.5 feet What is the minimum octagon face size of a stop slow paddle? A. 10 inches B. 15 inches C. 18 inches D. 20 inches 18 inches When are you allowed to use a 24x24 inch weighted flag to flag traffic according to MUTCD. A. Emergency situation. B. when you feel like it. C. on a windy day D. all of the above Emergency situation. What is the minimum requirements for a traffic control flag? A. 2 - foot-long handle/ 20 - inch square red flag. B. 3 - foot-long handle/ 24 - inch square red and weighted.
C. 4 - foot-long handle/ 18 inches square, orange flag. D. none of the above 3 - foot-long handle/ 24 - inch square red and weighted Where should a flagger stand on the INITIAL stop of oncoming motorist? A. on the left-hand shoulder. B. in middle of the road. C. on right hand shoulder. D. In the valley where they cannot be seen.on right hand shoulder. What is the minimum class Safety apparel that is worn during the day? A. class 1. B. class 2. C. class 3. D. class 4 class 2. What is the minimum height of a sign above sidewalks around pedestrians and businesses? A. 5 feet. B. 6 feet. C. 7 feet. D. 8 feet 7 feet. What is the minimum height of a sign on Rural roadways? A. 5 feet. B. 6 feet. C. 7 feet. D. 8 feet. 5 feet. What is the minimum height of a type 3 barricade? A. 4 feet. B. 5 feet. C. 6 feet. D. 7 feet
