88 entries. Sign images and page references belong to the handbook edition used for the Pennsylvania course.

Center lane left turn only (two-way left turn)
This center lane is only for left turns from both directions.
What to do: Use this lane only to turn left or wait to turn; do not drive straight through it.
Shape: rectangle vertical · Color: white
Handbook p. 15 ↗
Divided highway crossing
Warns that the road ahead is divided into two one-way roadways.
What to do: Keep to the right of the median; do not cross into oncoming lanes.
Shape: rectangle vertical · Color: white
Handbook p. 15 ↗
Do not pass
Passing other vehicles is prohibited here.
What to do: Do not pass; stay behind slower traffic until the zone ends.
Shape: rectangle vertical · Color: white
Handbook p. 15 ↗
Keep right
Directs traffic to keep right of a median, island, or obstruction.
What to do: Stay to the right of the divider ahead.
Shape: square · Color: white
Handbook p. 33 ↗
Lane-use arrows (left turn only; straight or right)
Shows which movements are allowed from each lane.
What to do: Get into the lane matching the turn or direction you intend to make.
Shape: square · Color: white
Handbook p. 15 ↗
Lane-use control sign (through/right)
Shows which movements are allowed from an upcoming lane split.
What to do: Position your vehicle in the correct lane for your intended movement.
Shape: square · Color: white
Handbook p. 29 ↗
Left turn yield on green
Left turns are permitted on a green light but must yield to oncoming traffic.
What to do: Yield to oncoming traffic before turning left on green.
Shape: rectangle vertical · Color: white
Handbook p. 16 ↗
No bicycles
Bicycles are not allowed on this roadway.
What to do: Do not ride a bicycle here; use an alternate route.
Shape: square · Color: white
Handbook p. 15 ↗
No left turn on red
Left turns are prohibited during a red light here.
What to do: Do not turn left while the light is red.
Shape: square · Color: white
Handbook p. 16 ↗
No parking
Parking is not allowed at this location.
What to do: Do not park a vehicle here.
Shape: square · Color: white
Handbook p. 15 ↗
No passing zone
Marks the start of a zone where passing is not allowed.
What to do: Do not pass other vehicles while in this zone.
Shape: pennant · Color: yellow
Handbook p. 17 ↗
No pedestrian crossing
Pedestrians may not cross here.
What to do: Do not expect or allow pedestrians to cross at this location.
Shape: square · Color: white
Handbook p. 15 ↗
No right turn
Right turns are not allowed here.
What to do: Do not turn right at this location; continue straight or choose another route.
Shape: square · Color: white
Handbook p. 15 ↗
No right turn on red
Right turns are prohibited during a red light here.
What to do: Do not turn right while the light is red.
Shape: square · Color: white
Handbook p. 16 ↗
No trucks
Trucks are prohibited on this roadway.
What to do: Do not drive a truck past this sign.
Shape: square · Color: white
Handbook p. 15 ↗
No turn on red
No turns are allowed while the light is red.
What to do: Wait for a green light before turning; do not turn on red here.
Shape: rectangle vertical · Color: white
Handbook p. 50 ↗
No U-turn
U-turns are not allowed here.
What to do: Do not make a U-turn at this location.
Shape: square · Color: white
Handbook p. 50 ↗
One way
Traffic on this street moves only in the direction of the arrow.
What to do: Travel only in the direction shown; do not enter against it.
Shape: rectangle horizontal · Color: black
Handbook p. 15 ↗
Opposing traffic has extended green
Warns that oncoming traffic gets a longer green light phase.
What to do: Do not assume oncoming traffic will stop soon; yield before turning left.
Shape: rectangle vertical · Color: white
Handbook p. 16 ↗
Reserved parking (accessible)
Marks parking reserved for permit holders with disabilities.
What to do: Do not park here without a valid accessible parking permit.
Shape: rectangle vertical · Color: white
Handbook p. 16 ↗
Speed limit
Shows the maximum legal speed under good conditions.
What to do: Do not drive faster than the posted speed limit.
Shape: rectangle vertical · Color: white
Handbook p. 16 ↗
Stop
Stop sign with a plaque allowing a right turn without stopping.
What to do: Come to a complete stop unless turning right, where permitted by the plaque.
Shape: octagon · Color: red
Handbook p. 14 ↗
Yield
Slow down and yield to oncoming or crossing traffic.
What to do: Slow or stop and give the right-of-way to traffic as needed.
Shape: triangle · Color: red
Handbook p. 14 ↗
Added lane
An additional lane begins ahead without merging.
What to do: Continue in your lane; no need to merge for the new lane.
Shape: diamond · Color: yellow
Handbook p. 18 ↗
Bicycle crossing
Warns bicyclists may be crossing the road ahead.
What to do: Slow down and watch for cyclists crossing your path.
Shape: diamond · Color: yellow
Handbook p. 20 ↗
Bump
A bump in the road ahead may jolt the vehicle.
What to do: Slow down before reaching the bump to keep control of the vehicle.
Shape: diamond · Color: yellow
Handbook p. 29 ↗
Chevron alignment
Marks a sharp curve; points in the direction the road turns.
What to do: Slow down and follow the direction the chevron points.
Shape: diamond · Color: yellow
Handbook p. 32 ↗
Crossroad
Warns of a four-way intersection ahead.
What to do: Slow down and watch for cross traffic entering from both sides.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
Curve left
Road curves to the left ahead.
What to do: Slow down and steer smoothly through the left curve.
Shape: diamond · Color: yellow
Handbook p. 17 ↗
Curve right
Road curves to the right ahead.
What to do: Slow down and steer smoothly through the right curve.
Shape: diamond · Color: yellow
Handbook p. 17 ↗
Curve with side road
Warns the main road curves left and a side road joins at the curve.
What to do: Slow down for the curve and watch for traffic entering from the side road.
Shape: diamond · Color: yellow
Handbook p. 18 ↗
Divided highway begins
Road ahead splits into a divided highway with a median.
What to do: Keep right of the median and stay alert for the lane split ahead.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
Divided highway ends
Divided highway ahead merges back into a two-way road.
What to do: Move back toward the right and be ready to meet oncoming traffic.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
Hill
A steep downhill grade is ahead.
What to do: Shift to a lower gear and control speed going downhill.
Shape: diamond · Color: yellow
Handbook p. 20 ↗
Horse-drawn vehicle
Warns horse-drawn vehicles may be on the road ahead.
What to do: Slow down and pass horse-drawn vehicles with extra care and space.
Shape: diamond · Color: yellow
Handbook p. 21 ↗
Large arrow
Marks a sharp turn; points in the direction the road turns.
What to do: Slow down and steer in the direction the arrow points.
Shape: rectangle horizontal · Color: yellow
Handbook p. 32 ↗
Left lane ends
The left lane ends ahead and traffic must merge.
What to do: Merge right safely before your lane ends.
Shape: diamond · Color: yellow
Handbook p. 29 ↗
Merge
Warns that another roadway merges into yours ahead.
What to do: Be ready to adjust speed or position to let merging traffic in.
Shape: diamond · Color: yellow
Handbook p. 18 ↗
Road narrows
Warns the roadway ahead becomes narrower.
What to do: Slow down and be ready to share less road width with other traffic.
Shape: diamond · Color: yellow
Handbook p. 33 ↗
Roundabout ahead
Warns of a roundabout ahead.
What to do: Slow down and prepare to yield to traffic already in the roundabout.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
Sharp turn right
A sharp right turn is ahead in the road.
What to do: Slow down significantly before making the sharp right turn.
Shape: diamond · Color: yellow
Handbook p. 17 ↗
Side road right
A side road joins the highway from the right ahead.
What to do: Watch for vehicles entering from the side road on the right.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
Signal ahead
Warns of a traffic signal at the intersection ahead.
What to do: Slow down and be ready to stop for the upcoming signal.
Shape: diamond · Color: yellow
Handbook p. 20 ↗
Slippery when wet
Road may be slick from rain, ice or oil.
What to do: Slow down, avoid sudden braking or sharp turns, and increase following distance.
Shape: diamond · Color: yellow
Handbook p. 28 ↗
Stop ahead
Warns of a stop sign at the intersection ahead.
What to do: Slow down and be prepared to stop.
Shape: diamond · Color: yellow
Handbook p. 20 ↗
T intersection
The road ahead ends in a T-shaped intersection.
What to do: Slow down and prepare to turn left or right.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
Truck rollover
Warns trucks may roll over on this curve.
What to do: Slow down; trucks and high vehicles are especially at risk on this curve.
Shape: diamond · Color: yellow
Handbook p. 18 ↗
Turn around, don't drown
Warns not to drive into flooded roadway; turn around instead.
What to do: Never drive through a flooded road; turn around and find another route.
Shape: diamond · Color: yellow
Handbook p. 66 ↗
Two-way traffic
Warns that the road ahead carries traffic in both directions.
What to do: Stay in your lane; do not pass into the oncoming lane.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
Winding road
Warns of a series of curves ahead.
What to do: Slow down and be prepared for consecutive curves.
Shape: diamond · Color: yellow
Handbook p. 28 ↗
Y intersection
Warns of a Y-shaped intersection ahead.
What to do: Slow down and choose your path early; watch for crossing traffic.
Shape: diamond · Color: yellow
Handbook p. 19 ↗
School zone
Marks a school zone; the only pentagon-shaped warning sign.
What to do: Slow down and watch for children in the school zone.
Shape: pentagon · Color: yellow
Handbook p. 21 ↗
Advance intersection railroad
Warns the intersecting road ahead has a railroad crossing.
What to do: Watch for trains at the side-road crossing as you approach the intersection.
Shape: diamond · Color: yellow
Handbook p. 21 ↗
Railroad crossing ahead
A railroad crossing is ahead on the road.
What to do: Slow down, look and listen for trains, and be ready to stop.
Shape: circle · Color: yellow
Handbook p. 20 ↗
Arrow panel
An electronic sign with lighted arrows directs traffic around a work zone.
What to do: Merge in the direction shown by the lighted arrow.
Shape: rectangle horizontal · Color: black
Handbook p. 23 ↗
Channelizing drum
A striped drum used to channel traffic away from a hazard in a work zone.
What to do: Do not drive over or between the drums; follow the path they mark.
Shape: other · Color: orange
Handbook p. 23 ↗
Flagger ahead
A worker will direct traffic ahead.
What to do: Slow down and be ready to stop or follow the flagger's directions.
Shape: diamond · Color: orange
Handbook p. 22 ↗
Road work ahead
Warns of road construction or maintenance work ahead.
What to do: Slow down and watch for workers and equipment ahead.
Shape: diamond · Color: orange
Handbook p. 22 ↗
Traffic cone
A cone used to channel traffic in a work zone.
What to do: Do not drive over or between the cones; follow the path they mark.
Shape: other · Color: orange
Handbook p. 23 ↗
Vertical panel
A striped panel used to channel traffic in a work zone.
What to do: Do not cross the line of panels; follow the path they mark.
Shape: rectangle vertical · Color: orange
Handbook p. 23 ↗
Work zone - turn on headlights
State law requires headlights on while driving through this work zone.
What to do: Turn on your headlights while passing through the work zone.
Shape: rectangle vertical · Color: orange
Handbook p. 22 ↗
Workers ahead
Road workers are working near or in the roadway.
What to do: Slow down and watch for workers and equipment.
Shape: diamond · Color: orange
Handbook p. 31 ↗
Exit sign
Shows Exit 13 (Route 22 West) leads to Trenton and Interstate 80, one mile ahead.
What to do: Move toward the exit lane if heading to Trenton or I-80.
Shape: rectangle vertical · Color: green
Handbook p. 24 ↗
Interstate route marker
Identifies the interstate highway you are on.
What to do: Use the marker to confirm your route and navigate.
Shape: shield · Color: blue
Handbook p. 24 ↗
State route marker
Identifies the road as State Route 39.
What to do: Use this marker to confirm you are on the correct route.
Shape: shield · Color: white
Handbook p. 25 ↗
US route marker
A WEST banner with a right-turn arrow directs you to turn right to continue on Route 22 West.
What to do: Turn right to continue westbound on Route 22.
Shape: shield · Color: white
Handbook p. 25 ↗
Food
Marks food/restaurant services available at the next exit.
What to do: Follow signs to exit if you want food.
Shape: square · Color: blue
Handbook p. 25 ↗
Gas
Indicates fuel services are available.
What to do: Follow the sign if you need to refuel.
Shape: square · Color: blue
Handbook p. 25 ↗
Hospital
Marks a hospital available at the next exit.
What to do: Follow signs to exit if you need a hospital.
Shape: square · Color: blue
Handbook p. 25 ↗
Lodging
Marks lodging (hotel/motel) available at the next exit.
What to do: Follow signs to exit if you need lodging.
Shape: square · Color: blue
Handbook p. 25 ↗
Recreational area
Brown sign directing to Gettysburg National Military Park, 2 miles.
What to do: Follow the sign if heading to that recreational/historic site.
Shape: rectangle horizontal · Color: brown
Handbook p. 25 ↗
Telephone
Marks the location of a telephone service, with a directional arrow.
What to do: Follow the arrow if you need to find a telephone.
Shape: square · Color: blue
Handbook p. 25 ↗
Flashing red light
Has the same meaning as a stop sign.
What to do: Stop completely, then proceed when the way is clear.
Shape: n/a · Color: n/a
Handbook p. 12 ↗
Flashing yellow arrow
You may turn after yielding to oncoming traffic and pedestrians.
What to do: Yield to oncoming traffic and pedestrians, then turn with caution.
Shape: n/a · Color: n/a
Handbook p. 12 ↗
Flashing yellow light
Warns drivers to proceed with caution through the intersection.
What to do: Slow down and proceed carefully; not all traffic is required to stop.
Shape: n/a · Color: n/a
Handbook p. 12 ↗
Green arrow
You may turn in the direction shown; oncoming traffic is stopped.
What to do: Turn in the direction of the arrow when clear of pedestrians.
Shape: n/a · Color: n/a
Handbook p. 11 ↗
Lane use control signals
A downward green arrow shows the lane below is open for travel.
What to do: You may drive in this lane.
Shape: n/a · Color: n/a
Handbook p. 31 ↗
Pedestrian don't walk signal
Flashing DON'T WALK warns pedestrians time to cross is running out.
What to do: Do not start crossing; if already crossing, finish quickly.
Shape: n/a · Color: n/a
Handbook p. 13 ↗
Pedestrian walk signal
Tells pedestrians they may start crossing.
What to do: Start crossing, but stay alert for turning vehicles.
Shape: n/a · Color: n/a
Handbook p. 13 ↗
Red arrow
You must not turn in the arrow's direction; stop and wait.
What to do: Stop and remain stopped until a green light or green arrow appears.
Shape: n/a · Color: n/a
Handbook p. 11 ↗
Steady green light
You may proceed if the way is clear.
What to do: Go straight or turn if clear, yielding to pedestrians and oncoming traffic when turning.
Shape: n/a · Color: n/a
Handbook p. 11 ↗
Steady red light
Stop and wait; do not proceed.
What to do: Come to a complete stop and remain stopped until the light turns green.
Shape: n/a · Color: n/a
Handbook p. 11 ↗
Steady yellow light
Warns the light is about to turn red.
What to do: Stop if you can do so safely; if too close to stop, clear the intersection with caution.
Shape: n/a · Color: n/a
Handbook p. 11 ↗
Two-way left-turn lane arrow
Marks a center lane that left-turning traffic from both directions may share.
What to do: Use this lane only to turn left from either direction; do not drive through it.
Shape: n/a · Color: n/a
Handbook p. 12 ↗
Broken yellow center line
A dashed yellow center line means passing is allowed when safe.
What to do: You may cross to pass when the way is clear.
Shape: n/a · Color: n/a
Handbook p. 26 ↗
Solid and broken yellow lines
A solid line paired with a broken line lets traffic on the broken-line side pass.
What to do: You may pass only if the broken (dashed) line is on your side.
Shape: n/a · Color: n/a
Handbook p. 26 ↗
Two-way left turn lane markings
A center lane marked for left turns from either direction.
What to do: Use this lane only to turn left; do not drive through it.
Shape: n/a · Color: n/a
Handbook p. 26 ↗
Hand signal left turn
Arm extended straight out the driver's window signals a left turn.
What to do: Recognize this as a left-turn hand signal from another driver.
Shape: n/a · Color: n/a
Handbook p. 73 ↗