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Highways and Railroads Engineering > Traffic Management > Flashcards

Traffic Management Flashcards

1
Q

is a term used to embody the activities undertaken by a highway transportation agency to improve roadway system safety, efficiency and effectiveness for both providers and consumers of transportation services.

A

Traffic management

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2
Q

_____________ are means by which the road user is advised as to detailed requirements or conditions affecting road use at specific places and times to that proper action may be taken and accident or delay avoided.

A

Traffic control devices

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3
Q

There are three distinct functional groups of traffic control devices:

  1. These have the authority of law and impose precise requirements upon the actions of the road user.
  2. These are used to inform road users of potentially hazardous roadway conditions or unusual traffic movements that are not readily apparent to passing traffic.
  3. These are employed simply to inform the road user of route, destination, and other pertinent traffic.
A
  1. Regulatory devices
  2. Warning devices
  3. Guiding devices
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4
Q

_____________ are employed more frequently than any other devices to regulate, warn, or
guide road users

A

Traffic signs

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5
Q

Philippine traffic signs conform to the _________________ of the United Nations on
Road Traffic and Road Signs, which the country officially adopted on _______________.

A

1968 Vienna Conventions, June 6, 1973

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6
Q

Traffic signs are classified depending on their intended uses:

  1. the signs are intended to guide users while they are traveling.
  2. the signs are intended to inform users of special obligations, restrictions, or prohibitions with which they must comply.
  3. these signs are intended to warn users of a danger on the road and to inform
    them of its nature,
A

Informative, Regulatory, Warning

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7
Q

Uniformity in design includes shape, color, dimension, symbols, wording, lettering,
and illumination or reflectorization.

SHAPES

a. ________________ shape with one side horizontal shall be used for danger warning
signs.

b. ________ shape shall be used for regulating traffic.

c. ______________ shape shall be used for informative signs.

d. ____________ shape shall be used for STOP signs only.

e. _________________ shall be used for YIELD signs only.

A

a. Equilateral triangular
b. Round
c. Rectangular
d. Octagonal
e. Inverted equilateral triangle

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8
Q

COLOR

a. _________________ shall have a yellow or white background with black symbols and red border.

b. _______________ and restrictive signs shall have a white background with black symbols and red border.

c. ________________ with the exception of STOP and YIELD signs shall have a blue
background and white symbols.

d. _________ shall have a red background and white symbols.

e. ___________ shall have a yellow background and red border.

f. _________ shall have a white or light-colored symbol on a dark-colored (blue or
black) background or a blue or dark-colored symbol on a white or light-colored
background.

A

a. Danger warning signs
b. Prohibitory signs
c. Mandatory signs
d. STOP signs
e. YIELD signs
f. Informative signs

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9
Q

HEIGHT

a. In rural areas, the height of the sign should normally be between ___ m and ___ m
above the nearest edge.

b. On curbed roads such as in urban areas, the signs should be mounted at a minimum
of ___ m above the top of the curb to prevent obstructions to pedestrians.

A

a. 1, 1.5
b. 2

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10
Q

LOCATION OF ADVANCE WARNING SIGNS

a. In urban areas, warning signs should be placed no less than ___ m but more than ___
m in advance of the hazardous area

b. While in rural areas they should be placed no less than
___ m but no more than ___ m ahead of the hazardous area.

A

a. 30, 100
b. 75, 225

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11
Q

The Vienna Convention allows two forms for the warning sign – one is __________ on shape
with a red border and the other is a ___________ in shape

A

triangular, diamond

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12
Q

The two most commonly used ___________signs are the STOP and YIELD signs

A

priority

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13
Q

______________ signs are round with a red border and either a white or a yellow background.

_________ restrictions signs can have a red bar from low right to top left.

__________ prohibitions have a blue background.

A

Prohibition, Access, Parking

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14
Q

The ____________ signs are round and in blue colors.

A

obligatory

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15
Q

These signs are, in general, rectangular with either a blue base with a white background, or with a light base with a dark foreground.

A

Other Prescription Signs

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16
Q

These signs are rectangular with a white or yellow plate with a symbol that stands for the service involved. The signs can be either blue or green.

A

Information signs

17
Q

A profusion of colors and forms is available. In general, the forms shown must be adopted,
and in some cases even the color shown must be used and not be changed.

A

Direction signs

18
Q

These signs are small and rectangular, they supplement the information on the main sign.

A

Additional information

19
Q

It is essential for the guidance and control of vehicles and pedestrians. They take the form of lines, symbols, messages, or numerals, and may be set into the surface of, applied upon, or attached to the pavement.

A

Pavement marking

20
Q

Markings shall only be applied and/or removed by the __________ or an authority to which these powers are delegated.

A

Department of Public Works and Highways (DPWH)

21
Q

Pavement markings: Materials

Road markings should be of non-skid materials and should not protrude more than ___ mm above the level of the carriageway.

A

6

22
Q

Pavement markings: Materials

Paint with or without glass beads embedded or premixed can be applied either by hand or with line marking machines, For proper reflectorization at night, the amount of glass beads used should be less than ____ kg and no more than ____ kg per liter of mixed paint.

A

0.45, 0.50

23
Q

Pavement markings: Materials

Use of _______________ materials with or without reflective properties is recommended at locations subject to extreme traffic property is recommended at locations subject to extreme traffic wear.

A

thermoplastic

24
Q

Pavement markings: Color

The color of pavement markings shall be _____, except for the alternative uses of yellow in the following cases:

a. Double yellow “no-passing” lines
b. Unbroken portion of “no-parking” lines
c. Curb markings for prohibition of parking
d. On island in line of traffic
e. Bus and PUJ lanes

A

white

25
Q

Pavement markings: Types of lines

A ________ line shall consist of line segments of equal lengths separated by uniform gaps.

A

broken

26
Q

Pavement markings: Types of lines

A ______________ line is used where crossing of the line is either discouraged or prohibited.

A

solid unbroken

27
Q

Pavement markings: Width of lines

The width of solid or broken lines varies from ___ mm to ___ mm, depending on the usage of the specified line.

A

100, 300

28
Q

Pavement markings: Messages

____________ when used should be limited to as few words as possible, never more than three; they shall only be used so supplement other traffic control devices.

A

Messages

29
Q

Pavement markings: Symbols

a. The symbol used to supplement the give way sign consists of isosceles triangle having two equal sides of 3.1 m and a base of 1 m.

A

a. Give way (yield) symbol

30
Q

Pavement markings: Symbols

b. are used for lane use control. White in color, they are generally 5m in length on urban roads and 7.5m on high-speed roads.

A

Pavement arrows

31
Q

Pavement markings: Symbols

c. The only numerals that should be used are those associated with speed limits at location to supplement limit signs, which are continuously disregarded by drivers.

A

Numerals

32
Q

Object markings

______________ markers are small rectangular or dome-shaped devices that are fixed to the pavement surface to simulate or supplement painted pavement markings.

These are generally not obscured at night and under wet conditions.

A

Raised pavement

33
Q

Object markings

__________ markers are rectangular and generally consist of a series of alternating black and white bands.

A

Hazard

34
Q

Object markings

_________ are small reflective panels or buttons mounted on guide posts or guard fences as an effective aid for night driving

A

Delineators

Highways and Railroads Engineering (8 decks)

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