Lights, signs, and lanes

Solid red

Stop and wait for light to turn green, make sure there are no obstructions to pass. 

You can turn if there is no “no turn on red” sign onto the left/right lane.

Flashing red

Like a stop sign; full stop, then go when it’s your turn.

Red arrow

Cannot go in the direction of the arrow.

Solid yellow

Slow down and prepare to stop. Not allowed to accelerate beyond the posted speed limit.

Flashing yellow

Same as a yield sign.

Yellow arrow

Slow down and prepare to stop. Give traffic the right-of-way.

Solid green

Wait for intersection to clear and yield to pedestrians. Yield to oncoming traffic.

Flashing green

Mostly in British Columbia, Canada. Warning that pedestrians are waiting to cross.

Green arrow

Allows you right-of-way of the direction. Should not be any oncoming traffic or pedestrians while green.

Red sign

Prohibitive or restricted action.

Orange sign

Construction and maintenance warning.

Yellow sign

General and unexpected road condition warning.

Fluorescent yellow-green sign

Warning of school, pedestrian, and bicycling activity.

White sign

Regulatory.

Green sign

Guide or directional information.

Blue sign

Motorist services guidance

Brown sign

Public recreation, cultural and historical area identification.

Stop sign

Stop at the line, crosswalk, or corner. Look for other vehicles and pedestrians — they have the right-of-way.

Yield

Must slow down and allow traffic that has the right-of-way to cross first.

Speed Limit

The max safe speed allowed or the min safe speed.

Reduce speed limit when road condition require (road obstructions, weather, etc)

Keep right

Stay on right lane unless passing another vehicle.

Traffic safety cameras

Record automatically if you:

• Fail to stop at a steady red light

• Fail to stop at a railroad crossing signal

• Exceed the speed limit in a school zone

Speed warning

Speed change recommended for a potential hazard or road condition. Adjust your speed limit accordingly.

Variable speed limit and advanced notification

Follow traffic and are subject to change. May quickly close entire lanes and give drivers warnings before reaching slower traffic.

One way

Identify where traffic flows; shows where not to drive. Never drive the wrong way on a one-way street.

Not allowed

Actions that are not allowed (like U-turns).

Do Not Enter

Cannot enter the street from that direction.

Wrong Way

Driving in the wrong direction; is there to prevent collisions. Stop and turn around immediately. 

No passing and passing safely`

Around potentional hazards such as:

• Hills

• Curves

• Intersections

Signs and markings tell where it is safe to pass.

Shared center lane left turn only

Indicated where a lane is meant only for turning either left or right. Lane is not meant for traffic (passing).

Roundabout

Mark the entrance to a roundabout. 

May also contain yield, pedestrian warning, and directional arrow signs.

Work zone signs

Warn for construction. Fines double for offenses committed while driving in construction when workers are present.

Service signs

Show directions or places of service like:

• Hospitals

• Electric vehicle charging stations

• Rest areas

Recreation signs

Show local attractions such as:

• Hiking trails

• Picnic spaces

• Skiing areas

Destination signs

Give directions to places like cities, airports, state lines or special areas, national parks, historical areas, museums.

Cross road

Curve

Deer crossing

Hill

Low clearance

Merge

Merging traffic

Pedestrian crossing

ped xing

Reversing curves

School crossing

Side road

Added lane (from right, no merging required)

Advance warning bicyclist

Narrow road or bridge ahead

Circular intersection

Curve left 35 mph recommended

Divided highway (road) begin

Winding road

Advisory speed

Tire chains require

Sharp curve ahead

Railroad crossing

Tsunami hazard zone

Traffic direction

Volcano evacuation route