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Work Zone Temporary Traffic Control
Tech Pre-Quiz / comprehensive Practice
Test
The work zone starts at the first advance warning sign; therefore, where should the flagger stand when directing traffic in a TTC (work) zone? - on the shoulder adjacent ti traffic being controlled How many orange and black TTC signs should there be in each direction on a 2-way, 2-lane rural roadway? - Three Orange and black TTC signs in each direction on a 2-way, 2-lane rural roadway what should the signs spacing be - 500ft How many feet apart should the advanced warning signs be on a high speed urban roadway? - 350 Advanced warning signs for additional emphasis, signs may be posted - on the left hand side of the highway Taper length refers to: - the distance required to safely route traffic from one lane to another The taper length is based upon: - width of the lane closed and speed of the roadway In a taper, the maximum distance between channelizing devices should be: - equal in feet to the speed limit
On a barricade, if the stripes start at the upper right side and angle down to the lower left side; - traffic should pass to the left At night time and/or on high speed roads greater than 45 mph, cones shall be: - retoreflectorized and have at least two white bands/stripes and at least 28" tall On a rural, 2-lane road, where would you place the flagger in respect to the beginning of a taper for a closed lane? - at the beginning of the taper The STOP/SLOW paddle is preferred over the flag - True Flags may be used in which of the following situations? - emergencies If used at night, the flag needs not to be retoreflectorized as long as the flagger station is floodlit. - True When flagging at a spot obstruction, a position may have to be taken on the shoulder opposite the barricaded section to operate effectively - True During nighttime conditions, arrow boards needs to be reduced in brightness - true Which factors should you consider in formulating a TTC plan? - type of work to be done traffic volume traffic speed school bus routes The rerouting of traffic onto a temporary bypass road is known as a: - diversion Parking signs are classified as: - regulatory
The MUTCD indicates that a "guidance" is a recommended practice - True The MUTCD indicates that a "option" is a permissive condition - True A tort in legal terminology is a ___________ other than a breech of contract for which a court will provide a remedy - Civil wrong Liability for a tort means the _______ to pay money damages to the person injured or damaged - Legal obligation Negligence can be defined as: - The failure to do something that a "reasonable person" would ordinarily do the doing of something that a reasonable ordinarily not do The failure to use ordinary care The obligation for a person to conform to a certain standard of conduct is the definition of: - Duty The MUTCD is an example of: - accepted standards and practices A red light is out. It is reported by the police to the traffic engineering department. This is an example of:
- Notice A red light is out. It is reported by the police to the traffic engineering department within reasonable time. An accident occurs. This is an example of: - Notice & poor response time
Emergency maintenance records should include the time the repair was completed, what trouble was found, what repairs were made, what materials were used and... - Who made the call Time call was made Time dispatched Time of arrival Public relations and public information should include signing, advertising, mailings, awareness campaign, a website and... - Nature of work Time-duration Effects of traffic Alternate routes D/R person Press conference Traffic Signal power has been lost. The dispatcher has notified the traffic engineering department. In the interim, the police department has opened emergency stop signs banded to the signal poles. This is an example of: - Proper responses Reasonable and prudent action Notice Flashing or sequential arrow boards shall be capable of a minimum___percent dimming for night operations - 50 The Five requirements of a traffic control device are: - Fulfill a need Demand attention Convey clear simple message Command respect
When mounting a secondary sign below a post-mounted roadside sign, the secondary sign may be mounted____less than the primary roadside sign with a minimum height of six feet - 1 The general rule for sign spacing is to times the speed for business, commercial, or residential areas and ____to____ times the speed for rural areas - 4 to 8 and 8 to 12 Suggested advance warning sign spacing for different types of roadways can be found in the - MUTCD The minimum height for traffic cones in low-speed, low volume areas is ____inches - 18 inches The minimum height for traffic cones in high-speed, high-volume is____inches - 28 inches For nighttime operations, traffic cones shall be a minimum of____ inches in height and have_____ - 28 inches and retroflective _______are more stable than cones, but harder to transport - Drums/barrels To prevent barricades from being blown over______may be used to hold them in place - sand bags The standard colors for barricades are ____and_____ - orange and white Type I and type II barricades should always be a minimum of______inches in height and gave a minimum rail length of ____inches - 36 and 24
Type III barricades should be a minimum of ___feet high and have a minimum rail length of ___ feet - 5 feet and 4 feet If the orange and white stripes on a barricade are sloping downward to the left, which side of the barricade should traffic pass? - Left When used for nighttime operations, tubular markers shall be____ inches high and have____ - 28 inches retroflective Plastic drums (barrels) shall be a minimum of____ inches in height and ____ inches in diameter. Each drum shall have a minimum of two_____ stripes and two____ stripes.
- 36inches 18inches orange white What color is a SMV symbol? - orange and red Four types of arrow boards are commonly used... - Type A: low speed urban Type B: intermediate speed Type C: high speed Type D: moving The minimum legibility of type A,B, and C arrow displays are: - Type A: 1/2 mile Type B: 3/4 mile Type C: 1 mile
Flaggers shall always wear a______ vest or jacket - orange or green For night flagging, all clothing and Equipment should be - retroflective A flagger never stands... - on open road The minimum size of a STOP/SLOW paddle is ______inches wide with the letters at least _______ inches high. - 18 inches 6 inches The standard red flag used for (emergency) flagging is at least____ inches square and fastened to a ______inch staff - 24inches 36 inches The night flagging station should be.... - illuminated Flaggers should... - never stand on the open roadway always face the oncoming traffic not mingle with workers not block or be blocked by signs When two flaggers are used and you are in doubt about the other flagger's message is, what message must you display to oncoming traffic? - Stop You should not begin a flagging operation until the ______ sign has been placed. - Flagger ahead
If a driver refuses to obey your signal, what should you do? - get out of the way warn the workers get their license number On a roadway posted at 40 MPH, how far in advance of the work space should the flagger station be? - 305 feet Where is the flagging station when only one flagger is used for two directions of traffic? - opposite work area When two or more flaggers are used, one flagger should be____ - in charge The is of flags, as a hand signaling device, should be limited to ____ situations - emergency If the work area requires a tapered lane closure, the flagging station should be located at the____of the taper - start When a flagger is used, the maximum taper length is a 1-lane, 2-way taper is____ - 100 feet When two flaggers are used and there are sight obstructions, which of the following may be used? - Flag-carrying vehicle walkie-talkie official car pilot car When the "FLAGGER AHEAD" sign is posted and no flagging is taking place, the sign should be_____or_____ - Covered or removed In emergency situations, which of the following can be used until traffic control devices arrive? - Emergency vehicle flashers flash lights flares
As a general rule, the maximum spacing in feet between traffic control devices in a taper is equal to the _______ - speed limit in MPH A diversion is - temporary route to a temporary roadway Traffic control through long work areas may be coordinated by _____ or______ methods - Flag transfer pilot car Special considerations should be made for the safety of ______ and ______ - Pedestrians Workers
