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Is a shadow vehicle used in all traffic zones? A. True B. False - answer False The shadow vehicle is occupied whenever workers are in the work area. A. True B. False - answer False 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 - answer 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" C. Daytime traffic control minimum height 36" D. Daytime traffic control minimum height 42" - answer Daytime traffic control minimum height 28" When may cones be substituted for drums? A. Daytime traffic control minimum height 18" B. Daytime traffic control minimum height 28" C. Daytime traffic control minimum height 36" D. Daytime traffic control minimum height 42" - answer Daytime traffic control minimum height 28" When cones are substituted for drums for nighttime closers, what is the minimum cone height requirement? A. 18" B. 28" C. 36" D. 42" - answer 42" When cones are substituted for drums at nighttime closer, what is the maximum cone spacing? A. 20' B. 30' C. 40' D. 50' - answer 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 - answer 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 the merge. B. The appropriate color work zone edge lines shall be applied along the taper and tangent sections. C. All the above D. None of the above - answer 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. False - answer False What are the extra advance warning signs? A. Lane Close Ahead B. Watch for Stopped Traffic C. Road Work Ahead D. All the above - answer Lane Change Ahead & Watch for Stopped Traffic & Road Work Ahead Is the advisory speed plaque used in all traffic zones? A. True B. False - answer False When the approach speed limit is 40 mph or less, 36" warning signs may be used. A. True B. False - answer True Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work limits. A. True B. False - answer True End Road Work signs are only required for lane closures of more than ______ day. A. 1 B. 2 C. 3 D 4 - answer 1
The formula for taper length on expressways with a speed limit of 65mph is which of the following? A. L = (WxS2)/ B. L = Wax’s C. L = W2xS D. L = (S2x60)/W - answer L = Wax’s 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' - answer 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' - answer 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' - answer 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. - answer 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 C. Direct flagger communication method D. Pilot car method - answer Motorist option method Which of the following is one of the things that should be considered to improve worker safety? A. Reducing the speed through work zones.
B. Making sure that all workers carry two-way radios. C Providing workers with extra coffee in the morning. D. Using cones instead of concrete barriers whenever possible. - answer reducing the speed through work zones Flagger should have training in which of the following? A. Safe traffic control procedures and social studies. B. Safe traffic control procedures and asphalt calculations. C. Communication equipment and techniques for dealing with the public. D. Techniques for dealing with the public and safe traffic control procedures. - answer Techniques for dealing with the public and safe traffic control procedures. Post mounted signs for use in urban areas must be how high to the bottom of the sign? A. 8' B. 5' C. 7' D. 12' - answer 7' Post mounted signs used in a rural area must be how far from the edge of the road? A. 5' to 6' B. 5' to 12' C. 2' to 7' D. 6' to 12' - answer 6' to 12' Which description would best fit regularity signs? A. They are used to warn motorist of hazard. B. They are always diamond shaped. C. They are used to inform motorists of traffic laws. D. They may be red and white or orange and black. - Answer 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. - answer 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" - answer 36" and 48"
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 - answer 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 duration - answer Short duration What would the sign spacing be for a work zone on a rural two-lane two-way road with a speed limit of 55mph? A. 2640', 1500', 1000' B. 500', 500', 500' C. 350', 350', 350' D. Far enough apart to be seen by motorists - answer 500', 500', 500' What is the maximum spacing for channelizing devices used in a taper use on a multi-lane roadway? A. 50' B. There is no set spacing. C. 20' D. The same number of feet as the posted speed limit. - answer the same number of feet as the posted speed limit. When closing two lanes of a multi-lane expressway, what is the length of the recovery zone between the two tapers? A. 1000' B. Equal to the length of one of the tapers. C. Equal to two times the length of one of the tapers. D. One mile - answer Equal to two times the length of one of the tapers. When crossing traffic over the median to close one side of and expressway, the traffic will need to be controlled on which side first? A. The closed side. B. The open side. C. Both controlled at the same time. D. It doesn't matter which side is controlled first. - answer the open side When a downstream taper is used, what are the proper length and device spacing?
A. L and 20' B. 1/2 L and 50' C. 100' and 20' D. 100' and 50' - answer 100' and 20' The taper length for a shifting taper is L for 50 MPH and over, what should it be for speeds less than 50 MPH? A. 1/3 L B. 100' C. 2 X L D. 1/2 L - answer 1/2 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" - answer 96" x 48" What would the merging taper length be for a flagger taper be if the speed limit was 55 mph on a 12' wide lane? A. 700' B. 100' C. 660' D. 500' - answer 100' What would a merging tape be of a 65-mph road if it was 12' wide lane using the manual of uniform traffic control devices? A. 780' B. 660' C. 840' D. 900' - answer 780' What would a shifting taper length be if 60 mph on a 12' wide lane? A. 600' B. 720' C. 800' D. 500' - answer 720' What formula would you use to figure the length of a merging taper on a 35 mph street? A. L =Wax’s B. L = W square x S C. L = W square x S / 60
C. 30'
D. 45' - answer 50' 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: B. 65: C. 19: D. 8:1 - answer 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. - answer Hexagonal Nut The recovery area at barrier wall must have a _____ or flatter area and be free of workers or hazards? A. 5: B. 3: C. 2: D. 7:1 - answer 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' - 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"
C.10'
D.9' - answer 10' What is the minimum shoulder taper rate for 60 mph road? A. 20: B. 17: C. 15: D. 60:1 - answer 20: 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' Any truck and trailer combination of 10,000 pounds or more must have conspicuity tape. A. True B. False - answer True What is the minimum percentage length of horizontal strip retro reflective sheeting placed on side length? A. 30% B. 40% C. 100% D. 50% - answer 50% How far behind raised curbs must equipment be parked? A. 10 feet B. 30 feet
C. 6 feet D. 20 feet - answer 6 feet When equipment is stored at night along roadway. It must be delineated by drums spaced 5 feet apart. With Type a warning lights on them. A. True B. False. - answer True Road Closed signs on barricades must have what Type of warning light on them in intersections? A. Type A B. Type B C. Type C D. Type D - answer Type B Grooved Pavement signs must be erected how far in advanced of grooved pavement in an intersection? A. 100 feet B. 200 feet C. 1000 feet D. 250 feet - answer 250 feet When covering conflicting signs. The contractor must cover with an opaque cover that covers____. A. 50% of the sign B. 85% of the sign. C. the entire message. D. 75% of the sign - answer the entire message. Repair & replace unsatisfactory line markings. At no additional cost to the state if the lines are at or under ___________ calendar days. A. 200 B. 365 C. 180 D. 120 - answer 120 How wide must an edge line and lane line be at minimum? A. 6" B. 4" C. 8" D. 5" - answer 4" Arrow boards and portable changeable message signs must be delineated with reflective (conspicuity) tape.
A. class 1. B. class 2. C. class 3. D. class 4 - answer 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 - answer 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. - answer 5 feet. What is the minimum height of a type 3 barricade? A. 4 feet. B. 5 feet. C. 6 feet. D. 7 feet - answer 5 feet. What is the minimum height of a type 2 barricade and a drum? A. 24 inches. B. 36 inches. C. 48 inches. D. 60 inches. - answer 36 inches. How long do you have to replace an unacceptable traffic control device? A. 1 hour. B. 6 hours. C. 12 hours. D. 24 hours. - answer 12 hours. What is the sign spacing for a 45 mph rural roadway? A. 350 feet. B. 500 feet. C. 100 feet. D. 1000 feet. - answer 500 feet
A portable changeable message sign should be seen from a minimum of ________ during day or night. A. 2 miles. B. 1.5 miles. C. 1 mile. D. 0.5 miles. - answer 0.5 miles When programming a message board. How messages should be shown on the board? A. no more than 1. B. no more than 2. C. no more than 3. D. no more than 4. - answer no more than 2 What is the maximum amount of time a message board? Should have to show the complete message to the motorist. A. 12 seconds B. 10 seconds. C. 8 seconds. D. 6 seconds. - answer 8 seconds Escort vehicles or delivery vehicles without proper strobe lights have to be approved by __________ before entering the project. A. superintendent. B. Forman. C. engineer. D. law enforcement. - answer engineer. Storage of equipment behind guard rail must be ________. A. 30 behind rail. B. 6 feet behind rail and not within 75 feet long by 20 foot wide. C. 6 feet behind rail and not within 75 feet by 30 feet wide. D. 6 foot behind by 30 feet. - answer 6 feet behind rail and not within 75 feet long by 20 foot wide. How close can equipment be parked next to traveled roadway when stored. A. not less than 50 feet. B. not less than 30 feet. C. not less than 20 feet. D. not less 10 feet. - answer not less than 30 feet. What is the minimum number of drums to be used for an upstream shoulder taper? A. 5 drums.
How many drums are needed in a 1,200 FT Tangent Section on a 65 MPH Highway? A. 25 B. 10 C. 16 D. 40 - answer 10 While adjusting Sign spacing to avoid conflict with existing signs, ____ is the minimum spacing to existing signs for speeds of 45 MPH or less. A. 100' B. 200' C. 300' D. 400' - answer 200' A minimum of __ drums shall be used to close upstream shoulder. A. 5 B. 8 C. 10 D. We don't need to close the shoulder while we are closing the lane. - answer 5 Shadow vehicle is optional for Mobile Operations on 2-Lane Road A. True B. False - answer false
- The maximum width of Portable Barrier Wall opening between the impact attenuator and the outside edge of the paved shoulder shall be ___. A. 5' B. 10' C. 9' D. 12' - answer 9'
- The sign spacing on urban high-speed roadway should be ___. A. 100' B. 350' C. 500' D. 700' - answer 350' Maximum distance between the Stop Bar and Traffic Signal Support location during Signalized Closing 1 Lane of a 2-Lane Highway is ___. A. 50' B. 75' C. 100' D. 150' - answer 75' The spacing between work zone signs as shown in the SCDs are the minimums. Maximum spacing should not be greater than ___ times the distance as shown in SCDs. A. 1. B. 1. C. 1.
D. 2 - answer 1. What is the distance between "One Lane Road Ahead" sign and Flagger during Flagger closing 1 Lane of 2 - Lane 45 MPH Highway? A. 350' B. 500' C. 700' D. 1,000' - answer 350 While delineating traffic greater than 4' on 45 MPH multi-lane highway, the spacing of RPMs within the transition areas is ___. A. 20' B. 10' C. 40' D. 30' - answer 20' The snow-plowing season shall be from ___ through ____ unless otherwise specified in the plans. A. Oct 15th - Mar 15th B. Nov 15th - Mar 31st C. Oct 15th - Mar 31st D. Nov 1st - Apr 1st - answer Oct 15th - Mar 31st For 32" Portable Barrier without glare screen, the spacing of Barrier Reflectors shall be ___ max. A. 25' B. 50' C. 75' D. 100' - answer 50' The reflective tape on the nose of the impact attenuator shall be A. Type J B. Type F C. Type H D. Type G - answer Type G The tops of the single barrier reflector shall be mounted at ___ from the base. A. 18" B. 22" C. 26" D. 30" - answer 26" Which of the following is NOT an acceptable method for terminating portable barrier? A. Terminate flared section of portable barrier outside clear zone with tapered end only where close slopes are 10:1 or flatter. B. Terminate portable barrier with an impact attenuator C. Terminate portable barrier with drums D. Flare a section of portable barrier to the length of need control line and terminate with an impact attenuator - answer Terminate portable barrier with drums
