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Oregon Driver Manual - Signs and Traffic Signals

Everything you need to know to pass your tests is located in these sections.  It is important that you study the material for each topic. Sample questions are provided to help you test your knowledge.

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You must obey all official signs, signals, and markings unless you see a police officer or road worker redirecting traffic.


Signs often use symbols or pictures rather than words. Each type of sign has a special color and shape to help you easily recognize the sign at a glance.

Regulatory Signs—Prohibitive

Traffic signs that prohibit certain actions or movements are red in color and increase safety by controlling the flow of traffic through intersections.

Stop—Octagonstop sign

This sign means you must come to a complete stop. Yield to other vehicles and stop and stay stopped for pedestrians crossing in marked or unmarked crosswalks. When it is safe, you may enter the intersection.

Yield—Triangleyield sign

This sign means you should reduce speed and yield right of way. If needed, stop the same as you would for a stop sign.

Do not Enter signDo Not Enter—Square

This sign warns you not to enter a road or freeway. You will see this sign if you are going the wrong way. Study For Your Tests


The signs below prohibit certain actions. When you see a sign with a red circle and a slash mark, it means do not make the turn shown.

No Turns sign

Regulatory Signs—Other

Regulatory signs are rectangular with black words or symbols on a white background and tell you what to do. They are posted at or near where the requirement applies. Not all regulatory signs are shown here.

speed 40 sign speed limit 40 sign

Speed Limit

This indicates the maximum speed in miles per hour. Signs may be electronic and may change based on current conditions.

one way sign one way sign
One Way

Traffic flows only in the direction of the arrow.

right turn without stopping sign
except right turn signRight Turn Permitted Without Stopping

This sign may appear below a stop sign. Traffic turning right may turn without stopping. Other traffic must stop and yield right of way.

only left turn sign
only right turn sign lane control sign
Lane-Use Control

These signs are used where turns are required or permitted from lanes as shown.

keep right sign
Keep Right

A traffic island, median or obstruction divides the road ahead. Keep to the right.

center lane turn only sign
Center Lane Turn Only

Share the center lane for left turns from both directions

Do not pass sign
Do Not Pass

This sign indicates that you may not pass.

No turn on Red sign
No Turn on Red

You may not turn during the red light. You must wait for the signal to turn green.

High Occupancy Vehicle sign
High Occupancy Vehicle

The lane is reserved for vehicles carrying at least two or more persons as noted on the sign. A white diamond may be painted on the lane.

Left turn yield on Green sign
Left Turn Yield on Green:
On a green circular signal, yield the right-of-way to oncoming traffic and pedestrians until it is safe to turn.

stop here for Pedestrians sign

Stop Here for Pedestrians:
This sign may appear near a crosswalk. Stop at the stop line when a pedestrian is in the crosswalk.

Warning Signs

Warning signs are yellow and alert you to known possible hazards or a change in road conditions ahead. As a driver, you are ultimately responsible for recognizing and reacting correctly to changing conditions, signed or not. Not all warning signs are shown here.

pedestrian crossing
Pedestrian Crossing

Be alert for people crossing your path. These signs may include a flashing yellow beacon that indicates a pedestrian is crossing, has recently crossed or is about to cross.

multi use path crossing
Multiuse Path Crossing

Bicyclists and pedestrians regularly cross the road in the area.

In-street pedestrian crossing
In-Street Pedestrian Crossing

This sign may appear at a crosswalk. Stop when a pedestrian is in the crosswalk.

right curve

There is a curve ahead.

sharp right turn sign
Sharp Turn

There is a sharp turn in the road ahead.

chevron sign

A sharp curve or change in the direction of the road is at the sign.

winding road sign
Winding Road

The road contains a series of turns or curves.

Reversing curves sign
Reversing Curves

The road ahead curves to the right, then left.

crossroad sign

A four-way intersection is ahead. Cross traffic may enter the road.

side road signs
Side Road

A “T” intersection is ahead. Traffic may enter the road from the left or right.

merging traffic left sign merging traffic right sign

Traffic is merging from the side shown.

add lane sign
Add Lane

Two roadways join together. You do not need to merge.

lane reduction sign
Lane Reduction

The indicated lane ends soon. Vehicles in that lane must merge into the through lane.

two way traffic sign
Two-Way Traffic Ahead

The one-way road joins a two-way road ahead. You will be facing oncoming traffic.

divided highway begins sign divided highway ends sign
Divided Highway Begins or Ends

These signs indicate the beginning or end of a divided highway. Keep to the right.

stop ahead sign
Stop Ahead

There is a stop sign ahead. Slow down and prepare to stop.

signal ahead sign
Signal Ahead

A traffic signal is ahead. Slow down and be ready to stop.

reduced speed limit ahead sign
Reduced Speed Limit Ahead

A reduced speed limit is ahead. Prepare to slow down..

roundabout ahead sign
Roundabout Ahead

There is a roundabout intersection ahead.

railroad advance sign
Railroad Advance

A railroad crossing is ahead. You may have to stop.

low clearance sign
Low Clearance

The overpass ahead has low clearance. Do not proceed if your vehicle is too tall to pass under it.

hill sign

A steep grade is ahead.

advisory speed sign
Advisory Speed

Advises the safe speed for freeway ramps and curves. This sign may be used with other signs. Signs may be electronic and may change based on current conditions.

slippery when wet sign
Slippery When Wet

The pavement is unusually slick when wet.

deer crossing sign

Deer often cross the road in this area. Be alert. Slow down if you see deer or other wildlife.

Route, Guide, and Information Signs

Route signs show you which route you are on and if the road is an interstate, U.S. route, or state highway.

interstate route signInterstate Route US Route signU.S. Route state highway signState Highway

Guide or information signs are green. They give exit information or show the direction of roads or cities.

guide sign information signThe number on an exit sign helps you know which exit to take.

Safety Corridors

Safety Corridor sign Safety corridors are designated stretches of highway with more fatal and serious injury collisions than the statewide average. Turn on your lights for safety. Signs identifying safety corridors may include diamond shaped flags.

Historic, Cultural and Recreational Signs

These brown signs point to historic and cultural locations. They also point to scenic areas, picnic grounds, and parks.

historical marker ahead sign Binocular sign

sno'park ahead sign Picnic Site sign Wildlife viewing area sign

 Motorist Service Signs

Gas food phone sign gas station sign Hospital sign Handicapped sign rest area sign

These blue signs tell you about services or facilities along the highway. These signs may indicate gas, food, and lodging are available at the next exit, a rest area is ahead, an electric vehicle charging station is available or a facility or parking area is accessible to a person with a disability. They can also indicate the road to a hospital.

stop on red at railroads sign

Traffic Signals

traffic signal sign

Traffic signals control the right of way and provide for a smooth, orderly flow of traffic. If a signal appears dark, such as during a power failure, you should stop as if there are stop signs in all directions. When a traffic signal is out of order and flashes yellow or red, you must obey that signal.

Steady/Circular Red

traffic signal red circleA steady red signal means stop and remain stopped until the signal changes.

You are allowed to make the following turns on red after coming to a complete stop unless a sign or police officer states otherwise:

  • When entering a two-way road, you may turn right.
  • When entering a one-way road, you may turn right or left in the direction of the one-way road.
Flashing Red or Dark Signal

flashing red light signA flashing red or a dark signal is treated the same as a stop sign.

Red Arrow

steady red arrow signA steady red arrow means stop and remain stopped until the signal changes, except for allowed turns on red. The same turns allowed for a steady red signal are allowed for a red arrow.

Steady Yellow

steady yellow signA steady yellow signal warns you that the signal is about to turn red. Stop before entering the intersection. If you cannot stop safely, drive carefully through it.

Flashing Yellow

flashing yellow sign

A flashing yellow signal means slow down and proceed with caution.

Yellow Arrow

yellow arrow sign

A steady yellow arrow warns you that the signal is about to turn red. Stop before entering the intersection, or if you cannot stop safely, drive carefully through it.

Flashing Yellow Arrow

flashing yellow arrow sign

A flashing yellow arrow means that you may make the movement indicated by the arrow, but first you must yield to pedestrians and oncoming traffic. Oncoming traffic has a steady green signal.

Steady Green

steady green signA green signal means all movements—straight ahead, left or right turns—are permitted, unless prohibited by a sign. Left turns must first yield to pedestrians and oncoming traffic. Right turns must first yield to pedestrians.

Green Arrow

steady green arrow signA steady green arrow means you have the right of way and may make the movement indicated by the arrow.


Sample Test Questions

What does this sign mean?

slippery when wet sign
    1. Curves ahead.
    2. Slippery when wet.
    3. Obstacle in the road.

    Regulatory Prohibitive signs are red and white. Which one of these signs is a regulatory prohibitive sign?

    1. Do Not Enter. 
    2. Railroad Advance. 
    3. Hospital Ahead.

    If a traffic signal is dark because of a power outage, you should:

    1. wait for a police officer to direct traffic.
    2. treat it like a yield sign.
    3. treat it like there are stop signs in all directions.