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Understanding Traffic Signs: Colors, Types, and Meanings, Lecture notes of Construction

An overview of traffic signs, their colors, and meanings. It covers stop signs, yield signs, regulatory signs, warning signs, and guide signs. Learn about the international system of traffic control signs and the importance of obeying traffic signs for safety.

What you will learn

  • What does a stop sign mean?
  • What are the different types of traffic signs?
  • What is the difference between a yield sign and a stop sign?

Typology: Lecture notes

2021/2022

Uploaded on 09/12/2022

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TRAFFIC SIGNS
Traffic signs control the flow of traffic, warn you of hazards
ahead, guide you to your destination, and inform you of
roadway services. As indicated below, traffic signs are
intentionally color coded to assist the operator.
RED - stop
GREEN - direction
YELLOW - general warning
BLACK/WHITE - regulation
BLUE - motorist service (e.g., gas, food, hotels)
BROWN - recreational, historic, or scenic site
ORANGE - construction or maintenance warning
STOP AND YIELD SIGNS
The STOP sign always means come to a
complete halt and applies to each vehicle
that comes to the sign. You must stop before
any crosswalk or stop line painted on the
pavement. Come to a complete stop, yield to
pedestrians or other vehicles, and proceed
carefully. Simply slowing down is not enough.
If a 4-WAY or ALL WAY sign is added to a
STOP sign at an intersection, all traffic
approaching the intersection must stop. The
first vehicle in the intersection of a four-way
stop has the right of way.
When you see a YIELD sign, slow down and
be prepared to stop. Let traffic, pedestrians, or
bicycles pass before you enter the intersection
or join another roadway. You must come to a
complete stop if traffic conditions require it.
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Download Understanding Traffic Signs: Colors, Types, and Meanings and more Lecture notes Construction in PDF only on Docsity!

TRAFFIC SIGNS

Traffic signs control the flow of traffic, warn you of hazards ahead, guide you to your destination, and inform you of roadway services. As indicated below, traffic signs are intentionally color coded to assist the operator.

RED - stop

GREEN - direction

YELLOW - general warning

BLACK/WHITE - regulation

BLUE - motorist service (e.g., gas, food, hotels)

BROWN - recreational, historic, or scenic site

ORANGE - construction or maintenance warning

STOP AND YIELD SIGNS

The STOP sign always means come to a complete halt and applies to each vehicle that comes to the sign. You must stop before any crosswalk or stop line painted on the pavement. Come to a complete stop, yield to pedestrians or other vehicles, and proceed carefully. Simply slowing down is not enough. If a 4-WAY or ALL WAY sign is added to a STOP sign at an intersection, all traffic approaching the intersection must stop. The first vehicle in the intersection of a four-way stop has the right of way.

When you see a YIELD sign, slow down and be prepared to stop. Let traffic, pedestrians, or bicycles pass before you enter the intersection or join another roadway. You must come to a complete stop if traffic conditions require it.

REGULATORY SIGNS

The United States is now using an international system of traffic control signs that feature pictures and symbols rather than words. The red-and-white YIELD and DO NOT ENTER signs prohibit access or movement.

WARNING SIGNS Yellow warning signs alert you to hazards or changes in conditions ahead. Changes in road layout, proximity to a school zone, or some special situation are examples of warning signs. Slow down and obey the sign. Disregarding a warning sign is not only dangerous, it is against the law.

GUIDE SIGNS In the guide signs category you will find route markers, distance- and-destination signs, and informational signs.

Green signs give highway directions and guide you through highway interchanges.

Blue signs list motorist services, like gas, food, and lodging. Brown signs direct you to public recreational areas, state and national parks, historical points of interest, and scenic sites.

In Massachusetts, numbered state highway routes are posted on white, rectangular signs with black letters and borders. Interstate highway signs are blue, red, and white shields.

CONSTRUCTION AND MAINTENANCE ROAD WORK WARNINGS When people are repairing or constructing roadways, their work areas are protected from traffic by orange warning signs and other devices. These signs and devices may be mounted with warning flags or yellow flashing lights. These warnings help to guide pedestrians and vehicle traffic safely through a work zone and past any hazards.

Drum

Barricade

Traffic signal ahead (^) Lane merging from right, watch for other traffic

School zone

Stop ahead

Road narrows or right lane ends

School crossing

Road curves left

Road slippery when wet

Maximum height allowed

Divided highway begins

Winding road, do not pass

Area off paved road is soft dirt and could be hazardous (^) Divided highway ends

Crossroad ahead

Pedestrian crossing

You may not cross the yellow line to pass

Road entering from the right Deer crossing^ Playground

Traffic may flow on both sides of sign

Road ends at Two-way traffic junction

No right turn

WARNING

No left turn

No U turn

All traffic must go left

Keep to the right of the upcoming median or lane divider

No bicycles

Traffic moves only in one direction

You may not overtake another vehicle

You may not turn right after stopping at a red light

No pedestrians

No parking allowed between posted hours

No trucks

REGULATORY

Massachusetts state highway route marker

Notice of highway exits, in miles

GUIDES & DIRECTIONS ROAD WORK

Interstate highway route marker

Junction with a numbered route ahead

Destination directions

Destination distances, in miles

Information Gas

Hospital Lodging

Telephone Food

Access for those with disabilities (^) Picnic area

Highway rest area

Motorist services

Highway mile markers

Parking facilities

Point of interest

Freeway interchange sign

Roadway detour directions

Detour

Road crew flag person ahead

Work in progress on the side of the road

Maintenance or public utility crew ahead

Notice

Road work

Lane closing

Notice of destination - Exit

Scenic overlook

U.S. highway route marker