Uyarı işaretleriAmerika Birleşik Devletleri

English • R1-1 • Stop. Stop completely before entering the junction and proceed only when it is safe.

English • R1-2 • Yield. Give way to conflicting traffic. Slow down or stop as necessary before proceeding.

English • W3-2 • Yield ahead. Warns of a yield sign ahead. Prepare to slow down and give way.

English • W3-1 • Stop ahead. Warns of a stop sign ahead. Prepare to stop completely.

English • W2-1 • Cross road. Warns of a crossroads ahead where traffic may enter or cross your path.

English • W2-2 • Side road on the right. Warns of a side road joining from the right.

English • W2-6 + W16-12aP • Roundabout ahead. Warns of a roundabout ahead. Slow down and follow the signs controlling the approach.

English • W1-11R • Hairpin curve to the right. Warns of a very sharp curve to the right. Reduce speed before entering the curve.

English • W1-2R • Curve to the right. Warns of a curve to the right. Reduce speed as necessary before the curve.

English • W1-1R • Turn to the right. Warns of a sharp change of direction to the right. Reduce speed before the turn.

English • W1-4R • Reverse curve, first to the right. Warns of successive curves, first to the right and then to the left.

English • W1-5R • Winding road, first curve to the right. Warns of a series of curves, beginning with a curve to the right.

English • W5-1 • Road narrows. Warns that the road becomes narrower ahead. Reduce speed and allow space for oncoming traffic.

English • W4-2R • Right lane ends. Warns that the right lane ends ahead. Merge safely into the continuing lane.

English • W6-3 • Two-way traffic. Warns of two-way traffic ahead. Keep to the right and watch for oncoming vehicles.

English • W8-1 • Bump. Warns of a sharp rise in the road surface. Reduce speed before reaching it.

English • W8-2 • Dip. Warns of a sharp depression in the road surface. Reduce speed before reaching it.

English • W7-1a • Hill with grade. Warns of a steep descent; the illustration shows an 8% grade. Use a suitable gear and control your speed.

English • SW37(CA) • Tunnel ahead. Warns of a tunnel ahead. Adjust your speed and follow the tunnel's traffic controls. California design, documented in the Caltrans sign specifications and the 2026 California MUTCD.

English • W3-6 • Drawbridge. Warns of a movable bridge ahead. Obey its signals, barriers and other traffic controls.

English • W3-3 • Signal ahead. Warns of traffic lights ahead. Be prepared to stop when the signal requires it.

English • W50-1(CA) • Rock-slide area. Warns that rocks may fall or slide onto the road. Reduce speed and watch for debris. California design, documented as W50-1(CA) in the Caltrans sign specifications.

English • W21-1 • Workers. Warns of workers in or near the road. Slow down and follow the temporary traffic controls.

English • W8-7 • Loose gravel. Warns of loose gravel on the road. Reduce speed and avoid sudden braking or steering.

English • W8-5 • Slippery surface. Warns of a road surface that may be slippery. Reduce speed and avoid sudden manoeuvres.

English • NYW7-16 • Crosswinds. Warns that strong winds may blow across the road. Reduce speed as necessary and keep firm control of the vehicle. New York design, documented in NYSDOT sign drawing SD-W23.

English • W12-2 • Low clearance. Warns of restricted overhead clearance; the illustration shows 12 feet 6 inches. Do not proceed if your vehicle or load cannot clear the obstruction safely.

English • W5-2a (2000 design) • Narrow bridge. Warns of a narrow bridge ahead. Reduce speed and allow space for oncoming vehicles. This is the narrow-bridge symbol from the 2000 MUTCD. In the current manual, W5-2a identifies a NARROW UNDERPASS word sign; the older symbol is not presented as the current design.

English • W12-1 • Pass either side. Indicates that traffic may pass on either side of the island or obstruction. Follow the road markings and other signs.

English • W4-1R • Merge from the right. Warns that traffic streams merge from the right. Adjust your speed and maintain a safe gap.

English • W11-23-DE • Low-flying aircraft. Warns of low-flying aircraft near the road. Remain attentive and maintain control of the vehicle. Delaware design, documented in the 2018 DelDOT sign book.

English • W11-4 • Cattle. Warns that cattle may enter or cross the road. Slow down and be prepared to stop.

English • W11-3 • Deer. Warns that deer may enter or cross the road. Slow down and be prepared to stop.

English • W15-1 • Playground. Warns of a playground nearby, where children may enter the road unexpectedly. Slow down and be prepared to stop.

English • W11-2 • Pedestrians. Warns that pedestrians may enter or cross the road. Slow down and be prepared to give way or stop.

English • W11-2 family • Pedestrian crossing. Warns of pedestrians crossing the road. Slow down and be prepared to give way or stop. The pedestrian-warning family is confirmed. The crossing bars in this illustration are absent from the current W11-2 drawing; the exact older variant has not been confirmed.

English • W11-1 • Bicycles. Warns that cyclists may enter or cross the road. Slow down and maintain a safe separation.

English • W11-7 • Equestrian crossing. Warns that horse riders may cross the road. Slow down and pass without startling the horses.

English • W11-5 • Farm vehicles. Warns that tractors or other farm vehicles may enter or cross the road.

English • W11-8 • Emergency vehicles. Warns that emergency vehicles may enter the road, for example from a fire station. Be prepared to give way.

English • W82(CA) • Light rail crossing. Warns of a light rail or tram crossing ahead. Watch for rail vehicles and obey the crossing controls. California design, documented as W82(CA) in the Caltrans sign specifications.

English • W10-1 • Railway crossing ahead. Warns of a railway level crossing ahead. Be prepared to obey its signals and signs, and never enter if your exit is blocked.

English • R15-1 • Railway crossing crossbuck. Marks a railway level crossing. Give way to rail traffic and obey any stop sign, yield sign, signals or barriers at the crossing.

English • R15-2P • Number of tracks. A supplementary plaque indicating the number of tracks at a railway crossing; the illustration shows three. Check for trains on every track before crossing.