IMSA Workzone

The work zone starts at the first advance warning sign; therefore, where should the flagger stand when directing traffic in a TTC zone?

On the shoulder adjacent to 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

What should the sign spacing be on a two-lane, two-way rural highway?

500 ft.

How many feet apart should the advanced warning signs be on a high speed urban roadway?

350 ft

For additional emphasis on a high speed urban roadway, 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

taper length is based on:

speed and width of lane closed

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 and/or on high speed roads greater than 45 mph, cones shall be: __________

at least 28" tall and retroreflectorized with at least two white bands and two orange bands

one a rural two-lane road, where would you place the flagger in respect to the beginning of the taper for a closed lane?

at the beginning of the taper

What are some factors that should be considered in formulating a TTC plan?

1) Type of work to be done

2) traffic volume

3) traffic speed

4) school bus routes

the rerouting of traffic onto a temporary bypass road is known as a: __________

diversion

pavement markings no longer needed should be:

removed by grinding

a TTC zone should be checked:

routinely

in the MUTCD a mandatory condition is a:

Standard Statement

in the mutcd an option is:

a statement of a permissive condition

A TTC plan is a:

temporary traffic control plan

A TTC plan should include:

typical application drawings

The MUTCD states that individuals responsible for the implementation of TTC measures should:

be trained and/or certified

TTC principles and procedures should include:

1) traffic safety, movement, and guidance

2) TTC zone inspection

3) TTC zone maintenance

work zones should be inspected:

during both day and night

a recommended practice in the MUTCD is a _______

guidance statement

a permissive condition in the MUTCD is an ________

option statement

a _____ in legal terminology is *Civil Wrong* other than a beach of contract for which a court will provide a remedy

tort

*Liability* for a tort means the ____________ to pay monetary damages to the person injured or damaged

legal obligation

Negligence can be defined as:

1) the failure to do something that reasonable person would ordinarily do

2) the doing of something that an ordinary person would not ordinarily do

3) 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 guidelines

a red light is out. It is reported by the police to the traffic engineering dept. This is an example of:

notice

a red light is out. It is reported by the police to the traffic engineering dept. within a reasonable time. An accident occurs. This is an example of:

notice and poor response time

Emergency maintenance records should include:

1) who made the complaint

2) time received

3) time dispatched

4) time of arrival

5) time repair was completed

6) what trouble (if any) was found

7) what repairs were made

8) materials used

Public relations and public information should include: signing, advertising, mailings, awareness campaign, a website, and:

1) nature of work

2) time and duration of work

3) effects on traffic

4) alt routes

5) name of PR person

6) any scheduled press conference

Flashing sequential arrow boards shall be capable of a minimum of ________ dimming for night operations

50%

The five requirements for a traffic control device

1) fulfill a need

2) command attention

3) convey a clear meaning/message

4) command respect from road users

5) give adequate time for proper response

What are the three classes of traffic signs?

1) Regulatory

2) Warning

3) Guide

Before regulatory signs are removed or superseded by a temporary regulatory sign, ______ , must be obtained from the governing jurisdiction

permission/authorization

what colors are assigned exclusively to TTC warning and guide signs?

black and orange

what colors are used on a 'road closed' sign?

black and white

"Road work next X Miles" signs are used for any construction area longer than ______ miles

2

a high level warning device (flag tree) shall consist of ____ flags and shall maintain a height of _____ to the lowest point of the flag material

2, 8'

in rural areas, post mounted signs should be place _____ to _____ feet from the edge of the roadway to the leading edge of the sign

6, 12

in business, commercial, or residential areas, signs can be place a minimum of _____ feet from the edge of roadway

2

the absolute minimum height of a ground mounted signs in business, commercial, or residential area is:

1 ft

when mounting a secondary sign below a post-mounted roadside signs in business, commercial, or residential areas is ________

1 ft

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, 8 ----- 8, 12

the min height for traffic cones in low-speed, low volume areas is:

18"

the min height for traffic cones in high-speed areas is:

28"

for night operations, traffic cones shall be a min of _____ in height and have _________

28", retroreflectorization

______ are more stable than cones, but harder to transport

drum-barrels

standard colors for barricades

orange and white

Type I and type II barricades should always be a min of _________ in height and have a rail min rail length of ________

36", 24"

Type III barricades should be a min of _______ high and have a min rail length of _________

5', 4'

when used for nighttime operations, tubular markers shall be _______ high and have ______

28", retroreflectization

Plastic drums/barrels shall be a min of _______ high and ________ in diameter. Each drum shall have a min of two white and two orange stripes.

36", 18"

colors of SMV symbol

orange and red

Type A arrow board use

Low speed, urban

Type B arrow board use

Intermediate speed, mobile

Type C arrow board use

high speed

Type D arrow board use

moving, when mounted

The min legibility distance of type A, B, and C arrow displays

1/2, 3/4, and 1 mile respectively

signs should always be _______ or ________ when the message doesn't apply

covered, removed

all warning signs used at night shall be fully _________ or _______

illuminated, retroreflectorized

Application of low-intensity flashing yellow lights

nighttime only

application of high-intensity flashing yellow lights

24 hr operation

application of steady burning yellow lights and 360-degree steady-burning yellow lights

outline open lane

Warning lights shall have a min mounting height of _____ to the bottom of the lens

30"

most common channelizing device for daytime use

cones

truck-mounted _________ are used to absorb the impact of errant vehicles.

attenuators

the two types of stationary attenuators are _____ and _____

redirective, non-redirective

The 5 abilities flaggers should posses

1) receive + communicate instructions

2) move quickly

3) give clear guidance

4) understand safe traffic practices

5) be able to recognize danger in time to avoid injury

flaggers most important responsibility

safety

flaggers shall always wear a ______ vest or jacket

fluorescent orange or green

for night flagging, all clothing and equipment should be ________

retroreflective

a flagger never stands:

on the open roadway

________ is the min size of slow/stop paddle wide with letters at least ________ high

18", 6"

the standard red flag used for (emergency) flagging is at least _____ square and fastened to a ______" staff

24", 36"

the nighttime flagging station should be:

illuminated

flaggers should:

1) never stand on the open roadway

2) always face on-coming traffic

3) not mingle with the workers

4) not block or be blocked by signs

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?

1) get out of the way

2) warn workers

3) get their license plate number

on a roadway posted at 40 mph, how far in advance of the work space should the flagger station be?

305'

Where is the flagging station when only one flagger is used for two directions of traffic?

opposite the work area

When two or more flaggers are used, on flagger should be:

Responsible/ the lead flagger

When a flagger is used, the max taper length in a 1-lane, 2-way taper is _____

100'

When two flaggers are used and there are sight obstructions, what may be used?

1) flag-carrying vehicle

2) walkie-talkie

3) official car

4) pilot car

in emergency situations, which of the following can be used until traffic control devices arrive?

1) emergency vehicle flashers

2) flash lights

3) flares

All flaggers must use the same three standard signals

1) stop

2) slow

3) proceed

the recommended longitudinal buffer space for a 50 mph roadway is:

425'

In the _______ area, drivers are informed of what to expect

advance warning

he redirection of the drivers normal path occurs at the beginning of the __________ area

transition

the area of the roadway where work takes place is called the ____________ area

activity

the area that is used to return traffic to the normal path is the ______ area

termination

__________ space separates *approaching* traffic from the work space

Longitudinal buffer

A __________ space separates the traffic space from the work space or potentially hazardous area

Lateral buffer

the two major factors to calculate taper lengths for cones are _______ and _______

speed limit, width of offset

The taper length formula for speeds of 45 mph or greater is:

L=ws

As a general rule, the maximum spacing in feet between traffic control devices in a taper is equal to:

the Speed Limit (mph)

a movement of traffic onto a temporary roadway around the work area

diversion

traffic control through a long work area may be coordinate by ______ or _______ methods

pilot car, flag transfer